[gimp] devel-docs: fix and update the libgimp docs

[Michael Natterer <mitch src gnome org>]

commit 288b4097b50b5b4067532de64de9b6c2737b9e42
Author: Michael Natterer <mitch gimp org>
Date:   Mon Oct 28 12:07:57 2019 +0100

    devel-docs: fix and update the libgimp docs

 devel-docs/libgimp/libgimp3-docs.sgml    | 2 +-
 devel-docs/libgimp/libgimp3-sections.txt | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/devel-docs/libgimp/libgimp3-docs.sgml b/devel-docs/libgimp/libgimp3-docs.sgml
index 7bcd3d2584..dade42bfed 100644
--- a/devel-docs/libgimp/libgimp3-docs.sgml
+++ b/devel-docs/libgimp/libgimp3-docs.sgml
@@ -169,7 +169,7 @@
     <title>Index of new symbols in GIMP 2.10.14</title>
     <xi:include href="xml/api-index-2.10.14.xml"><xi:fallback /></xi:include>
   </index>
-  <index role="2.3.0" id="api-index-3-0">
+  <index role="3.0" id="api-index-3-0">
     <title>Index of new symbols in GIMP 3.0</title>
     <xi:include href="xml/api-index-3.0.xml"><xi:fallback /></xi:include>
   </index>
diff --git a/devel-docs/libgimp/libgimp3-sections.txt b/devel-docs/libgimp/libgimp3-sections.txt
index 6e72f5e4ed..01859b036f 100644
--- a/devel-docs/libgimp/libgimp3-sections.txt
+++ b/devel-docs/libgimp/libgimp3-sections.txt
@@ -10,6 +10,7 @@ gimp_tile_width
 gimp_tile_height
 gimp_show_help_button
 gimp_export_color_profile
+gimp_export_comment
 gimp_export_exif
 gimp_export_xmp
 gimp_export_iptc
@@ -997,6 +998,9 @@ gimp_procedure_get_date
 gimp_procedure_add_argument
 gimp_procedure_add_aux_argument
 gimp_procedure_add_return_value
+gimp_procedure_find_argument
+gimp_procedure_find_aux_argument
+gimp_procedure_find_return_value
 gimp_procedure_get_arguments
 gimp_procedure_get_aux_arguments
 gimp_procedure_get_return_values