[gtksourceview] docs: add missing completion cell to docs

[Christian Hergert <chergert src gnome org>]

commit b0080d905bdc53ed94686ffeccf60a0686ecd691
Author: Christian Hergert <chergert redhat com>
Date:   Thu Sep 30 10:34:40 2021 -0700

    docs: add missing completion cell to docs

 docs/reference/gtksourceview-5.0-sections.txt | 26 ++++++++++++++++++++++++++
 docs/reference/gtksourceview-docs.xml.in      |  1 +
 2 files changed, 27 insertions(+)
---
diff --git a/docs/reference/gtksourceview-5.0-sections.txt b/docs/reference/gtksourceview-5.0-sections.txt
index 8177bf93..e5fccaa8 100644
--- a/docs/reference/gtksourceview-5.0-sections.txt
+++ b/docs/reference/gtksourceview-5.0-sections.txt
@@ -81,6 +81,32 @@ GtkSourceCompletionClass
 gtk_source_completion_get_type
 </SECTION>
 
+<SECTION>
+<FILE>completioncell</FILE>
+GtkSourceCompletionColumn
+GtkSourceCompletionCell
+gtk_source_completion_cell_get_column
+gtk_source_completion_cell_get_widget
+gtk_source_completion_cell_set_widget
+gtk_source_completion_cell_set_markup
+gtk_source_completion_cell_set_icon_name
+gtk_source_completion_cell_set_gicon
+gtk_source_completion_cell_set_paintable
+gtk_source_completion_cell_set_text
+gtk_source_completion_cell_set_text_with_attributes
+<SUBSECTION Standard>
+GTK_SOURCE_IS_COMPLETION_CELL
+GTK_SOURCE_IS_COMPLETION_CELL_CLASS
+GTK_SOURCE_COMPLETION_CELL
+GTK_SOURCE_COMPLETION_CELL_CLASS
+GTK_SOURCE_COMPLETION_CELL_GET_CLASS
+GTK_SOURCE_TYPE_COMPLETION_CELL
+gtk_source_completion_cell_get_type
+GtkSourceCompletionCellClass
+GTK_SOURCE_TYPE_COMPLETION_COLUMN
+gtk_source_completion_column_get_type
+</SECTION>
+
 <SECTION>
 <FILE>completioncontext</FILE>
 GtkSourceCompletionActivation
diff --git a/docs/reference/gtksourceview-docs.xml.in b/docs/reference/gtksourceview-docs.xml.in
index 54d9608c..7df4e051 100644
--- a/docs/reference/gtksourceview-docs.xml.in
+++ b/docs/reference/gtksourceview-docs.xml.in
@@ -45,6 +45,7 @@
     <chapter id="completion">
       <title>Completion</title>
       <xi:include href="xml/completion.xml"/>
+      <xi:include href="xml/completioncell.xml"/>
       <xi:include href="xml/completioncontext.xml"/>
       <xi:include href="xml/completionproposal.xml"/>
       <xi:include href="xml/completionprovider.xml"/>