[glom] Examples: Remove all column_width attributes now that defaults are good.



commit 1fa29b5b9e5bb40b8a82924bc977a831c082aab7
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Oct 17 16:03:35 2011 +0200

    Examples: Remove all column_width attributes now that defaults are good.
    
    * examples/example_film_manager.glom:
    * examples/example_lesson_planner.glom:
    * examples/example_music_collection.glom:
    * examples/example_project_manager.glom:
    * examples/example_smallbusiness.glom:
    * examples/sqlite/test_sqlite_music/test_sqlite_music.glom:
    * examples/tests/example_field_formatting_test.glom:
    * ldtp/database-templates/PostgresCentral/Test.glom:
    * ldtp/database-templates/SQLite/Test.glom: A simple regexxer replace.

 ChangeLog                                          |   14 ++
 examples/example_film_manager.glom                 |  158 ++++++++++----------
 examples/example_lesson_planner.glom               |   60 ++++----
 examples/example_music_collection.glom             |   28 ++--
 examples/example_project_manager.glom              |   40 +++---
 examples/example_smallbusiness.glom                |   34 ++--
 .../test_sqlite_music/test_sqlite_music.glom       |   14 +-
 examples/tests/example_field_formatting_test.glom  |   16 +-
 ldtp/database-templates/PostgresCentral/Test.glom  |   10 +-
 ldtp/database-templates/SQLite/Test.glom           |   10 +-
 10 files changed, 199 insertions(+), 185 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 3d487d3..bea646a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2011-10-17  Murray Cumming  <murrayc murrrayc com>
+
+	Examples: Remove all column_width attributes now that defaults are good.
+
+	* examples/example_film_manager.glom:
+	* examples/example_lesson_planner.glom:
+	* examples/example_music_collection.glom:
+	* examples/example_project_manager.glom:
+	* examples/example_smallbusiness.glom:
+	* examples/sqlite/test_sqlite_music/test_sqlite_music.glom:
+	* examples/tests/example_field_formatting_test.glom:
+	* ldtp/database-templates/PostgresCentral/Test.glom:
+	* ldtp/database-templates/SQLite/Test.glom: A simple regexxer replace.
+
 2011-10-17  Murray Cumming  <murrayc murrayc com>
 
 	List View: Correct the default column widths.
diff --git a/examples/example_film_manager.glom b/examples/example_film_manager.glom
index 260f7ed..659d899 100644
--- a/examples/example_film_manager.glom
+++ b/examples/example_film_manager.glom
@@ -130,13 +130,13 @@
       <data_layout name="list" parent_table="accommodation">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="accommodation_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="accommodation_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_town" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="address_town" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="address_country" editable="true" use_default_formatting="true">
@@ -257,19 +257,19 @@
       <data_layout name="list" parent_table="cars">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="car_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="car_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="manufacturer" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="manufacturer" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="model" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="model" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="registration" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="registration" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comment" editable="true" use_default_formatting="true">
@@ -545,16 +545,16 @@
       <data_layout name="list" parent_table="characters">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="character_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="character_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="character" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="character" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="contact_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="contact_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_full" relationship="contacts_actor" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name_full" relationship="contacts_actor" editable="true" use_default_formatting="true">
               <title_custom use_custom="true" title="Actor"/>
               <formatting/>
             </data_layout_item>
@@ -770,13 +770,13 @@
       <data_layout name="list" parent_table="companies">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="company_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="company_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="233">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="221">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -1367,20 +1367,20 @@
       <data_layout name="list" parent_table="contacts">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="contact_id" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="contact_id" editable="true" use_default_formatting="true">
               <title_custom/>
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="162">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_country" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_country" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name" relationship="company" editable="true" use_default_formatting="true" column_width="147">
+            <data_layout_item name="name" relationship="company" editable="true" use_default_formatting="true">
               <title_custom use_custom="true" title="Company Name"/>
               <formatting/>
             </data_layout_item>
@@ -1474,13 +1474,13 @@
       <data_layout name="list" parent_table="costume">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="costume_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="costume_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
           </data_layout_group>
@@ -1680,7 +1680,7 @@
               </data_layout_group>
             </data_layout_group>
             <data_layout_portal relationship="scenes" portal_rows_count_min="6" portal_rows_count_max="6">
-              <data_layout_item name="scene_id" use_default_formatting="true" column_width="90">
+              <data_layout_item name="scene_id" use_default_formatting="true">
                 <formatting format_thousands_separator="true" format_decimal_places="2"/>
               </data_layout_item>
               <data_layout_item name="overview_name" relationship="scenes" use_default_formatting="true">
@@ -1696,19 +1696,19 @@
       <data_layout name="list" parent_table="crew">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="crew_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="crew_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="contact_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="contact_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_full" relationship="contacts" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name_full" relationship="contacts" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="dept_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="dept_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="name" relationship="departments" editable="true" use_default_formatting="true">
@@ -1896,13 +1896,13 @@
       <data_layout name="list" parent_table="deliveries">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="delivery_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="delivery_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_full" relationship="departure_contact" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name_full" relationship="departure_contact" editable="true" use_default_formatting="true">
               <title_custom use_custom="true" title="Departure Name">
                 <trans_set>
                   <trans loc="de_DE" val="Sendername"/>
@@ -1910,13 +1910,13 @@
               </title_custom>
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="departure_place" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="departure_place" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="departure_date" editable="true" use_default_formatting="true" column_width="77">
+            <data_layout_item name="departure_date" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_full" relationship="arrival_contact" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name_full" relationship="arrival_contact" editable="true" use_default_formatting="true">
               <title_custom use_custom="true" title="Arrival Name">
                 <trans_set>
                   <trans loc="de_DE" val="EmpfÃngerkontakt"/>
@@ -1924,7 +1924,7 @@
               </title_custom>
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="arrival_place" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="arrival_place" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="arrival_date" editable="true" use_default_formatting="true">
@@ -2128,10 +2128,10 @@
       <data_layout name="list" parent_table="departments">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="departments_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="departments_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -2232,10 +2232,10 @@
       <data_layout name="list" parent_table="equipment">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="equipment_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="equipment_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -2332,22 +2332,22 @@
       <data_layout name="list" parent_table="journeys">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="journey_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="journey_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_full" relationship="contacts" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name_full" relationship="contacts" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="192">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="arrival_place" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="arrival_place" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="arrival_date" editable="true" use_default_formatting="true" column_width="101">
+            <data_layout_item name="arrival_date" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="departure_place" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="departure_place" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="departure_date" editable="true" use_default_formatting="true">
@@ -2594,13 +2594,13 @@
       <data_layout name="list" parent_table="locations">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="location_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="location_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_town" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="address_town" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="address_country" editable="true" use_default_formatting="true">
@@ -2672,10 +2672,10 @@
       <data_layout name="list" parent_table="props">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="prop_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="prop_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="description" editable="true" use_default_formatting="true">
@@ -2805,13 +2805,13 @@
       <data_layout name="list" parent_table="scene_cast">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_cast_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="scene_cast_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="cast_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="cast_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
@@ -2904,10 +2904,10 @@
       <data_layout name="list" parent_table="scene_costume">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_costume_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_costume_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
@@ -3045,13 +3045,13 @@
       <data_layout name="list" parent_table="scene_crew">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_crew_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_crew_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="scene_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="department_id" editable="true" use_default_formatting="true">
@@ -3141,13 +3141,13 @@
       <data_layout name="list" parent_table="scene_equipment">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_equipment_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_equipment_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="scene_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="equipment_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="equipment_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -3287,13 +3287,13 @@
       <data_layout name="list" parent_table="scene_makeup">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_makeup_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_makeup_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
@@ -3378,10 +3378,10 @@
       <data_layout name="list" parent_table="scene_props">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_props_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="scene_props_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
@@ -3675,15 +3675,15 @@ else:
                 <data_layout_item name="name_full" relationship="contact" editable="true" use_default_formatting="true">
                   <formatting/>
                 </data_layout_item>
-                <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+                <data_layout_item name="description" editable="true" use_default_formatting="true">
                   <formatting/>
                 </data_layout_item>
               </data_layout_portal>
               <data_layout_portal relationship="scene_props" portal_rows_count_min="6" portal_rows_count_max="6" column_line_color="#000000000000" line_color="#000000000000">
-                <data_layout_item name="prop_id" editable="true" use_default_formatting="true" column_width="40">
+                <data_layout_item name="prop_id" editable="true" use_default_formatting="true">
                   <formatting format_thousands_separator="true" format_decimal_places="2"/>
                 </data_layout_item>
-                <data_layout_item name="name" relationship="props" editable="true" use_default_formatting="true" column_width="103">
+                <data_layout_item name="name" relationship="props" editable="true" use_default_formatting="true">
                   <formatting/>
                 </data_layout_item>
                 <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -3691,10 +3691,10 @@ else:
                 </data_layout_item>
               </data_layout_portal>
               <data_layout_portal relationship="scene_costume" portal_rows_count_min="6" portal_rows_count_max="6" column_line_color="#000000000000" line_color="#000000000000">
-                <data_layout_item name="costume_id" editable="true" use_default_formatting="true" column_width="40">
+                <data_layout_item name="costume_id" editable="true" use_default_formatting="true">
                   <formatting format_thousands_separator="true" format_decimal_places="2"/>
                 </data_layout_item>
-                <data_layout_item name="name" relationship="costume" editable="true" use_default_formatting="true" column_width="103">
+                <data_layout_item name="name" relationship="costume" editable="true" use_default_formatting="true">
                   <formatting/>
                 </data_layout_item>
                 <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -3725,7 +3725,7 @@ else:
               </data_layout_portal>
               <data_layout_portal relationship="scene_makeup" portal_rows_count_min="6" portal_rows_count_max="6" column_line_color="#000000000000" line_color="#000000000000">
                 <portal_navigation_relationship navigation_type="none"/>
-                <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+                <data_layout_item name="description" editable="true" use_default_formatting="true">
                   <formatting/>
                 </data_layout_item>
                 <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -3742,22 +3742,22 @@ else:
       <data_layout name="list" parent_table="scenes">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="scene_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="scene_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="overview_name" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="overview_name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="interior_or_exterior" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="interior_or_exterior" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="day_or_night" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="day_or_night" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="date" editable="true" use_default_formatting="true" column_width="77">
+            <data_layout_item name="date" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="minutes" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="minutes" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="description" editable="true" use_default_formatting="true">
diff --git a/examples/example_lesson_planner.glom b/examples/example_lesson_planner.glom
index e153b6d..34774bc 100644
--- a/examples/example_lesson_planner.glom
+++ b/examples/example_lesson_planner.glom
@@ -314,22 +314,22 @@
       <data_layout name="list" parent_table="lessons">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="lesson_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="lesson_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="subject_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="subject_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" relationship="subject" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name" relationship="subject" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="date" editable="true" use_default_formatting="true" column_width="28">
+            <data_layout_item name="date" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="time_start" editable="true" use_default_formatting="true" column_width="30">
+            <data_layout_item name="time_start" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="teacher_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="teacher_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="name_full" relationship="teacher" editable="true" use_default_formatting="true">
@@ -457,13 +457,13 @@
       <data_layout name="list" parent_table="rooms">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="room_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="room_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="building" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="building" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="floor" editable="true" use_default_formatting="true">
@@ -575,10 +575,10 @@
       <data_layout name="list" parent_table="subjects">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="subject_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="subject_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -949,61 +949,61 @@
       <data_layout name="list" parent_table="teachers">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="teacher_id" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="teacher_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_middle" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_middle" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_title" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_title" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_street" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_street" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_town" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_town" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_state" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_state" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_country" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_country" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_postcode" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_postcode" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="date_of_birth" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="date_of_birth" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_full" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_full" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="picture" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="picture" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="email" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="email" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="website" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="website" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="tel_home" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="tel_home" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="tel_work" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="tel_work" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="tel_mobile" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="tel_mobile" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="tel_fax" editable="true" use_default_formatting="true">
diff --git a/examples/example_music_collection.glom b/examples/example_music_collection.glom
index 7ccb764..1b040ef 100644
--- a/examples/example_music_collection.glom
+++ b/examples/example_music_collection.glom
@@ -146,23 +146,23 @@
       <data_layout name="list" parent_table="albums">
         <data_layout_groups>
           <data_layout_group name="toplevel">
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="year" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="year" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="artist_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="artist_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="name" relationship="artist" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name" relationship="artist" editable="true" use_default_formatting="true">
               <title_custom use_custom="true" title="Artist Name"/>
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="publisher_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="publisher_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="name" relationship="publisher" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name" relationship="publisher" editable="true" use_default_formatting="true">
               <title_custom use_custom="true" title="Publisher Name"/>
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
@@ -300,13 +300,13 @@
       <data_layout name="list" parent_table="artists">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="artist_id" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="artist_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -389,10 +389,10 @@
       <data_layout name="list" parent_table="publishers">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="publishers_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="publishers_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
             <data_layout_item name="name" editable="true" use_default_formatting="true">
@@ -762,13 +762,13 @@
       <data_layout name="list" parent_table="songs">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="song_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="song_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="album_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="album_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
             <data_layout_item name="name" editable="true" use_default_formatting="true">
diff --git a/examples/example_project_manager.glom b/examples/example_project_manager.glom
index 620e889..5d0477c 100644
--- a/examples/example_project_manager.glom
+++ b/examples/example_project_manager.glom
@@ -445,19 +445,19 @@
       <data_layout name="list" parent_table="contacts">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="contact_id" use_default_formatting="true" column_width="40">
+            <data_layout_item name="contact_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_title" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name_title" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_country" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="address_country" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -570,13 +570,13 @@
       <data_layout name="list" parent_table="projects">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="project_id" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="project_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="name" editable="true" use_default_formatting="true">
@@ -640,13 +640,13 @@
       <data_layout name="list" parent_table="project_teams">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="project_team_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="project_team_id" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="team_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="team_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="project_id" editable="true" use_default_formatting="true">
@@ -746,19 +746,19 @@
       <data_layout name="list" parent_table="team_members">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="team_members_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="team_members_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="contact_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="contact_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="team_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="team_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="role" editable="true" use_default_formatting="true">
@@ -869,16 +869,16 @@
       <data_layout name="list" parent_table="teams">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="team_id" editable="true" use_default_formatting="true" column_width="123">
+            <data_layout_item name="team_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="234">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
           </data_layout_group>
diff --git a/examples/example_smallbusiness.glom b/examples/example_smallbusiness.glom
index 6d7c483..793fbea 100644
--- a/examples/example_smallbusiness.glom
+++ b/examples/example_smallbusiness.glom
@@ -465,19 +465,19 @@ dialog.hide();
       <data_layout name="list" parent_table="contacts">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="contact_id" use_default_formatting="true" column_width="100">
+            <data_layout_item name="contact_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_title" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_title" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="address_country" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_country" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
@@ -913,19 +913,19 @@ dialog.hide();
       <data_layout name="list" parent_table="invoices">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="invoice_id" use_default_formatting="true" column_width="40">
+            <data_layout_item name="invoice_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="contact_id" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="contact_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_full" relationship="contacts" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name_full" relationship="contacts" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="price_total" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="price_total" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="date" editable="true" use_default_formatting="true" column_width="28">
+            <data_layout_item name="date" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comment" editable="true" use_default_formatting="true">
@@ -1145,16 +1145,16 @@ dialog.hide();
       <data_layout name="list" parent_table="products">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="product_id" use_default_formatting="true" column_width="40">
+            <data_layout_item name="product_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="price" editable="true" use_default_formatting="true" column_width="40">
+            <data_layout_item name="price" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="comment" editable="true" use_default_formatting="true">
@@ -1357,13 +1357,13 @@ dialog.hide();
       <data_layout name="list" parent_table="staff">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="staff_id" use_default_formatting="true" column_width="40">
+            <data_layout_item name="staff_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="103">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting/>
             </data_layout_item>
             <data_layout_item name="position" editable="true" use_default_formatting="true">
diff --git a/examples/sqlite/test_sqlite_music/test_sqlite_music.glom b/examples/sqlite/test_sqlite_music/test_sqlite_music.glom
index fb59aa5..8ee62a1 100644
--- a/examples/sqlite/test_sqlite_music/test_sqlite_music.glom
+++ b/examples/sqlite/test_sqlite_music/test_sqlite_music.glom
@@ -93,7 +93,7 @@
       <data_layout name="list" parent_table="albums">
         <data_layout_groups>
           <data_layout_group name="toplevel">
-            <data_layout_item name="album_id" use_default_formatting="true" column_width="90">
+            <data_layout_item name="album_id" use_default_formatting="true">
               <formatting format_thousands_separator="true"/>
             </data_layout_item>
             <data_layout_item name="name" editable="true" use_default_formatting="true">
@@ -194,13 +194,13 @@
       <data_layout name="list" parent_table="artists">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="artist_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="artist_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="name" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="description" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="description" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
             <data_layout_item name="somenum" editable="true" use_default_formatting="true">
@@ -357,13 +357,13 @@
       <data_layout name="list" parent_table="songs">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="songs_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="songs_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="comments" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="comments" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="album_id" editable="true" use_default_formatting="true" column_width="90">
+            <data_layout_item name="album_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
             <data_layout_item name="name" editable="true" use_default_formatting="true">
diff --git a/examples/tests/example_field_formatting_test.glom b/examples/tests/example_field_formatting_test.glom
index ec5ade9..3e6df49 100644
--- a/examples/tests/example_field_formatting_test.glom
+++ b/examples/tests/example_field_formatting_test.glom
@@ -33,16 +33,16 @@
       <data_layout name="list" parent_table="alignment">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="alignment_id" editable="true" use_default_formatting="true" column_width="94">
+            <data_layout_item name="alignment_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="field_left" editable="true" use_default_formatting="true" column_width="130">
+            <data_layout_item name="field_left" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="field_right" editable="true" use_default_formatting="true" column_width="143">
+            <data_layout_item name="field_right" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="override_left" editable="true" column_width="308">
+            <data_layout_item name="override_left" editable="true">
               <title_custom/>
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" alignment_horizontal="left" choices_related_show_all="true"/>
             </data_layout_item>
@@ -121,17 +121,17 @@
       <data_layout name="list" parent_table="colours">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="colours_id" editable="true" use_default_formatting="true" column_width="77">
+            <data_layout_item name="colours_id" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="redtext_blueback" editable="true" use_default_formatting="true" column_width="216">
+            <data_layout_item name="redtext_blueback" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="override_redtext_blueback" editable="true" column_width="239">
+            <data_layout_item name="override_redtext_blueback" editable="true">
               <title_custom/>
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6" color_fg="#000000000000" color_bg="#ffffffffffff" choices_related_show_all="true"/>
             </data_layout_item>
-            <data_layout_item name="alt_colour_neg" editable="true" use_default_formatting="true" column_width="219">
+            <data_layout_item name="alt_colour_neg" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" choices_related_show_all="true"/>
             </data_layout_item>
             <data_layout_item name="alt_colour_neg_overrides" editable="true" use_default_formatting="true">
diff --git a/ldtp/database-templates/PostgresCentral/Test.glom b/ldtp/database-templates/PostgresCentral/Test.glom
index 121f589..ab5b4f0 100644
--- a/ldtp/database-templates/PostgresCentral/Test.glom
+++ b/ldtp/database-templates/PostgresCentral/Test.glom
@@ -353,19 +353,19 @@ if __name__ == "__main__":
       <data_layout name="list" parent_table="contacts">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="contact_id" use_default_formatting="true" column_width="100">
+            <data_layout_item name="contact_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_title" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_title" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="address_country" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_country" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">
diff --git a/ldtp/database-templates/SQLite/Test.glom b/ldtp/database-templates/SQLite/Test.glom
index 345b56f..76de9d5 100644
--- a/ldtp/database-templates/SQLite/Test.glom
+++ b/ldtp/database-templates/SQLite/Test.glom
@@ -353,19 +353,19 @@ if __name__ == "__main__":
       <data_layout name="list" parent_table="contacts">
         <data_layout_groups>
           <data_layout_group name="main">
-            <data_layout_item name="contact_id" use_default_formatting="true" column_width="100">
+            <data_layout_item name="contact_id" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2"/>
             </data_layout_item>
-            <data_layout_item name="name_title" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_title" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="name_first" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_first" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="name_last" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="name_last" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
-            <data_layout_item name="address_country" editable="true" use_default_formatting="true" column_width="100">
+            <data_layout_item name="address_country" editable="true" use_default_formatting="true">
               <formatting format_thousands_separator="true" format_decimal_places="2" format_text_multiline_height_lines="6"/>
             </data_layout_item>
             <data_layout_item name="comments" editable="true" use_default_formatting="true">



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