[gtk/wip/ebassi/constraint-layout] docs: Add GtkConstraint and friends to the API reference

[Emmanuele Bassi <ebassi src gnome org>]

commit 46403bac122b30ef193d94d2ac80e5d907677c64
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Jul 1 00:49:20 2019 +0100

    docs: Add GtkConstraint and friends to the API reference

 docs/reference/gtk/gtk4-docs.xml     |  3 ++
 docs/reference/gtk/gtk4-sections.txt | 77 ++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-docs.xml b/docs/reference/gtk/gtk4-docs.xml
index e574d082ee..d220270a81 100644
--- a/docs/reference/gtk/gtk4-docs.xml
+++ b/docs/reference/gtk/gtk4-docs.xml
@@ -109,6 +109,9 @@
       <xi:include href="xml/gtkcustomlayout.xml" />
       <xi:include href="xml/gtkfixedlayout.xml" />
       <xi:include href="xml/gtkgridlayout.xml" />
+      <xi:include href="xml/gtkconstraintlayout.xml" />
+      <xi:include href="xml/gtkconstraint.xml" />
+      <xi:include href="xml/gtkconstraintguide.xml" />
     </chapter>
 
     <chapter id="DisplayWidgets">
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index a9076529c2..efb544edc6 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -7287,3 +7287,80 @@ gtk_grid_layout_get_type
 GTK_TYPE_GRID_LAYOUT_CHILD
 gtk_grid_layout_child_get_type
 </SECTION>
+
+<SECTION>
+<FILE>gtkconstraint</FILE>
+GtkConstraint
+GtkConstraintTarget
+
+gtk_constraint_new
+gtk_constraint_new_constant
+gtk_constraint_get_target
+gtk_constraint_get_target_attribute
+gtk_constraint_get_relation
+gtk_constraint_get_source
+gtk_constraint_get_source_attribute
+gtk_constraint_get_multiplier
+gtk_constraint_get_constant
+gtk_constraint_get_strength
+gtk_constraint_is_required
+gtk_constraint_is_attached
+gtk_constraint_is_constant
+
+<SUBSECTION Standard>
+GTK_TYPE_CONSTRAINT
+gtk_constraint_get_type
+GTK_TYPE_CONSTRAINT_TARGET
+gtk_constraint_target_get_type
+</SECTION>
+
+<SECTION>
+<FILE>gtkconstraintlayout</FILE>
+GtkConstraintLayout
+GtkConstraintLayoutChild
+GtkConstraintVflParserError
+
+gtk_constraint_layout_new
+
+<SUBSECTION Constraints>
+gtk_constraint_layout_add_constraint
+gtk_constraint_layout_remove_constraint
+gtk_constraint_layout_remove_all_constraint
+
+<SUBSECTION Guides>
+gtk_constraint_layout_add_guide
+gtk_constraint_layout_remove_guide
+
+<SUBSECTION VFL>
+gtk_constraint_layout_add_constraints_from_description
+gtk_constraint_layout_add_constraints_from_descriptionv
+
+<SUBSECTION Standard>
+GTK_TYPE_CONSTRAINT_LAYOUT
+gtk_constraint_layout_get_type
+GTK_TYPE_CONSTRAINT_LAYOUT_CHILD
+gtk_constraint_layout_child_get_type
+GTK_CONSTRAINT_VFL_PARSER_ERROR
+gtk_constraint_vfl_parser_error_quark
+</SECTION>
+
+<SECTION>
+<FILE>gtkconstraintguide</FILE>
+GtkConstraintGuide
+
+gtk_constraint_guide_new
+gtk_constraint_guide_set_name
+gtk_constraint_guide_get_name
+gtk_constraint_guide_set_strength
+gtk_constraint_guide_get_strength
+gtk_constraint_guide_set_min_size
+gtk_constraint_guide_get_min_size
+gtk_constraint_guide_set_nat_size
+gtk_constraint_guide_get_nat_size
+gtk_constraint_guide_set_max_size
+gtk_constraint_guide_get_max_size
+
+<SUBSECTION Standard>
+GTK_TYPE_CONSTRAINT_GUIDE
+gtk_constraint_guide_get_tyoe
+</SECTION>