doc: Sync classref with current source

doc/classes/CanvasItem.xml

@@ -22,6 +22,28 @@
 				Called (if exists) to draw the canvas item.
 			</description>
 		</method>
+		<method name="draw_arc">
+			<return type="void">
+			</return>
+			<argument index="0" name="center" type="Vector2">
+			</argument>
+			<argument index="1" name="radius" type="float">
+			</argument>
+			<argument index="2" name="start_angle" type="float">
+			</argument>
+			<argument index="3" name="end_angle" type="float">
+			</argument>
+			<argument index="4" name="point_count" type="int">
+			</argument>
+			<argument index="5" name="color" type="Color">
+			</argument>
+			<argument index="6" name="width" type="float" default="1.0">
+			</argument>
+			<argument index="7" name="antialiased" type="bool" default="false">
+			</argument>
+			<description>
+			</description>
+		</method>
 		<method name="draw_char">
 			<return type="float">
 			</return>

doc/classes/EditorSpinSlider.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="EditorSpinSlider" inherits="Range" category="Core" version="3.2">
+	<brief_description>
+	</brief_description>
+	<description>
+	</description>
+	<tutorials>
+	</tutorials>
+	<methods>
+	</methods>
+	<members>
+		<member name="flat" type="bool" setter="set_flat" getter="is_flat" default="false">
+		</member>
+		<member name="focus_mode" type="int" setter="set_focus_mode" getter="get_focus_mode" override="true" enum="Control.FocusMode" default="2" />
+		<member name="label" type="String" setter="set_label" getter="get_label" default="&quot;&quot;">
+		</member>
+		<member name="read_only" type="bool" setter="set_read_only" getter="is_read_only" default="false">
+		</member>
+	</members>
+	<constants>
+	</constants>
+</class>

doc/classes/OS.xml

@@ -217,7 +217,7 @@
 				Returns the path to the current engine executable.
 			</description>
 		</method>
-		<method name="get_granted_permissions">
+		<method name="get_granted_permissions" qualifiers="const">
 			<return type="PoolStringArray">
 			</return>
 			<description>

doc/classes/RichTextLabel.xml

@@ -133,6 +133,18 @@
 				Adds an [code][align][/code] tag based on the given [code]align[/code] value. See [enum Align] for possible values.
 			</description>
 		</method>
+		<method name="push_bold">
+			<return type="void">
+			</return>
+			<description>
+			</description>
+		</method>
+		<method name="push_bold_italics">
+			<return type="void">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="push_cell">
 			<return type="void">
 			</return>
@@ -167,6 +179,12 @@
 				Adds an [code][indent][/code] tag to the tag stack. Multiplies "level" by current tab_size to determine new margin length.
 			</description>
 		</method>
+		<method name="push_italics">
+			<return type="void">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="push_list">
 			<return type="void">
 			</return>
@@ -185,6 +203,18 @@
 				Adds a [code][meta][/code] tag to the tag stack. Similar to the BBCode [code][url=something]{text}[/url][/code], but supports non-[String] metadata types.
 			</description>
 		</method>
+		<method name="push_mono">
+			<return type="void">
+			</return>
+			<description>
+			</description>
+		</method>
+		<method name="push_normal">
+			<return type="void">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="push_strikethrough">
 			<return type="void">
 			</return>

doc/classes/TextEdit.xml

@@ -530,7 +530,7 @@
 		</constant>
 	</constants>
 	<theme_items>
-		<theme_item name="background_color" type="Color" default="Color( 0, 0, 0, 1 )">
+		<theme_item name="background_color" type="Color" default="Color( 0, 0, 0, 0 )">
 			Sets the background [Color] of this [TextEdit]. [member syntax_highlighting] has to be enabled.
 		</theme_item>
 		<theme_item name="bookmark_color" type="Color" default="Color( 0.08, 0.49, 0.98, 1 )">

doc/classes/VideoPlayer.xml

@@ -16,7 +16,7 @@
 				Returns the video stream's name.
 			</description>
 		</method>
-		<method name="get_video_texture">
+		<method name="get_video_texture" qualifiers="const">
 			<return type="Texture">
 			</return>
 			<description>

doc/classes/VisualShaderNodeCubeMap.xml

@@ -12,10 +12,16 @@
 		<member name="cube_map" type="CubeMap" setter="set_cube_map" getter="get_cube_map">
 		</member>
 		<member name="default_input_values" type="Array" setter="_set_default_input_values" getter="_get_default_input_values" override="true" default="[  ]" />
+		<member name="source" type="int" setter="set_source" getter="get_source" enum="VisualShaderNodeCubeMap.Source" default="0">
+		</member>
 		<member name="texture_type" type="int" setter="set_texture_type" getter="get_texture_type" enum="VisualShaderNodeCubeMap.TextureType" default="0">
 		</member>
 	</members>
 	<constants>
+		<constant name="SOURCE_TEXTURE" value="0" enum="Source">
+		</constant>
+		<constant name="SOURCE_PORT" value="1" enum="Source">
+		</constant>
 		<constant name="TYPE_DATA" value="0" enum="TextureType">
 		</constant>
 		<constant name="TYPE_COLOR" value="1" enum="TextureType">

modules/gridmap/doc_classes/GridMap.xml

@@ -217,6 +217,14 @@
 			Deprecated, use [member mesh_library] instead.
 		</member>
 	</members>
+	<signals>
+		<signal name="cell_size_changed">
+			<argument index="0" name="cell_size" type="Vector3">
+			</argument>
+			<description>
+			</description>
+		</signal>
+	</signals>
 	<constants>
 		<constant name="INVALID_CELL_ITEM" value="-1">
 			Invalid cell item that can be used in [method set_cell_item] to clear cells (or represent an empty cell in [method get_cell_item]).