devel-docs: various documentation and build fixes

devel-docs/libgimpwidgets/Makefile.am

@@ -20,7 +20,12 @@ SCAN_OPTIONS = --deprecated-guards="GIMP_DISABLE_DEPRECATED"
 MKDB_OPTIONS = --sgml-mode --output-format=xml --name-space=gimp
 
 # Extra options to supply to gtkdoc-fixref
-FIXXREF_OPTIONS = --extra-dir=../libgimpbase/html --extra-dir=../libgimpcolor/html --extra-dir=../libgimpconfig/html --extra-dir=../libgimpmath/html --extra-dir=../libgimp/html
+FIXXREF_OPTIONS = \
+	--extra-dir=../libgimpbase/html		\
+	--extra-dir=../libgimpcolor/html	\
+	--extra-dir=../libgimpconfig/html	\
+	--extra-dir=../libgimpmath/html		\
+	--extra-dir=../libgimp/html
 
 # Used for dependencies
 HFILE_GLOB = $(DOC_SOURCE_DIR)/*.h
@@ -65,7 +70,6 @@ GTKDOC_CFLAGS = \
 	@GEGL_CFLAGS@					\
 	@GTK_CFLAGS@					\
 	-DGIMP_ENABLE_CONTROLLER_UNDER_CONSTRUCTION	\
-	-UGTK_DISABLE_SINGLE_INCLUDES			\
 	-UGIMP_DISABLE_DEPRECATED
 
 GTKDOC_LIBS = \

devel-docs/libgimpwidgets/libgimpwidgets3-docs.sgml

@@ -102,13 +102,6 @@
     <xi:include href="xml/gimpwidgetsutils.xml" />
   </part>
 
-  <part id="libgimpwidgets-deprecated">
-    <title>Deprecated API</title>
-    <xi:include href="xml/gimpoldwidgets.xml" />
-    <xi:include href="xml/gimppixmap.xml" />
-    <xi:include href="xml/gimpunitmenu.xml" />
-  </part>
-
   <index id="api-index-full">
     <title>Index</title>
     <xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include>
@@ -141,6 +134,10 @@
     <title>Index of new symbols in GIMP 2.10.10</title>
     <xi:include href="xml/api-index-2.10.10.xml"><xi:fallback /></xi:include>
   </index>
+  <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>
   <index role="deprecated" id="api-index-deprecated">
     <title>Index of deprecated symbols</title>
     <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>

devel-docs/libgimpwidgets/libgimpwidgets3-sections.txt

@@ -1200,7 +1200,6 @@ gimp_prop_spin_button_new
 gimp_prop_string_combo_box_new
 gimp_prop_text_buffer_new
 gimp_prop_unit_combo_box_new
-gimp_prop_unit_menu_new
 </SECTION>
 
 <SECTION>