doc: Sync classref with current source

doc/classes/ProjectSettings.xml

@@ -724,15 +724,15 @@
 		<member name="rendering/limits/buffers/immediate_buffer_size_kb" type="int" setter="" getter="" default="2048">
 			Max buffer size for drawing immediate objects (ImmediateGeometry nodes). Nodes using more than this size will not work.
 		</member>
+		<member name="rendering/limits/rendering/max_renderable_elements" type="int" setter="" getter="" default="65536">
+			Max amount of elements renderable in a frame. If more than this are visible per frame, they will be dropped. Keep in mind elements refer to mesh surfaces and not meshes themselves.
+		</member>
 		<member name="rendering/limits/rendering/max_renderable_lights" type="int" setter="" getter="" default="4096">
 			Max number of lights renderable in a frame. If more than this number are used, they will be ignored. On some systems (particularly web) setting this number as low as possible can increase the speed of shader compilation.
 		</member>
 		<member name="rendering/limits/rendering/max_renderable_reflections" type="int" setter="" getter="" default="1024">
 			Max number of reflection probes renderable in a frame. If more than this number are used, they will be ignored. On some systems (particularly web) setting this number as low as possible can increase the speed of shader compilation.
 		</member>
-		<member name="rendering/limits/rendering/max_renderable_elements" type="int" setter="" getter="" default="65536">
-			Max amount of elements renderable in a frame. If more than this are visible per frame, they will be dropped. Keep in mind elements refer to mesh surfaces and not meshes themselves.
-		</member>
 		<member name="rendering/limits/time/time_rollover_secs" type="float" setter="" getter="" default="3600">
 			Shaders have a time variable that constantly increases. At some point, it needs to be rolled back to zero to avoid precision errors on shader animations. This setting specifies when (in seconds).
 		</member>

doc/classes/Sprite.xml

@@ -46,7 +46,7 @@
 		<member name="frame" type="int" setter="set_frame" getter="get_frame" default="0">
 			Current frame to display from sprite sheet. [member vframes] or [member hframes] must be greater than 1.
 		</member>
-		<member name="frame_coords" type="Vector2" setter="set_frame_coords" getter="get_frame_coords">
+		<member name="frame_coords" type="Vector2" setter="set_frame_coords" getter="get_frame_coords" default="Vector2( 0, 0 )">
 			Coordinates of the frame to display from sprite sheet. This is as an alias for the [member frame] property. [member vframes] or [member hframes] must be greater than 1.
 		</member>
 		<member name="hframes" type="int" setter="set_hframes" getter="get_hframes" default="1">

doc/classes/Sprite3D.xml

@@ -14,7 +14,7 @@
 		<member name="frame" type="int" setter="set_frame" getter="get_frame" default="0">
 			Current frame to display from sprite sheet. [member vframes] or [member hframes] must be greater than 1.
 		</member>
-		<member name="frame_coords" type="Vector2" setter="set_frame_coords" getter="get_frame_coords">
+		<member name="frame_coords" type="Vector2" setter="set_frame_coords" getter="get_frame_coords" default="Vector2( 0, 0 )">
 			Coordinates of the frame to display from sprite sheet. This is as an alias for the [member frame] property. [member vframes] or [member hframes] must be greater than 1.
 		</member>
 		<member name="hframes" type="int" setter="set_hframes" getter="get_hframes" default="1">

doc/classes/String.xml

@@ -281,7 +281,6 @@
 			</argument>
 			<argument index="2" name="to" type="int" default="0">
 			</argument>
-			</argument>
 			<description>
 				Returns the number of occurrences of substring [code]what[/code] between [code]from[/code] and [code]to[/code] positions. If [code]from[/code] and [code]to[/code] equals 0 the whole string will be used. If only [code]to[/code] equals 0 the remained substring will be used.
 			</description>
@@ -295,7 +294,6 @@
 			</argument>
 			<argument index="2" name="to" type="int" default="0">
 			</argument>
-			</argument>
 			<description>
 				Returns the number of occurrences of substring [code]what[/code] (ignoring case) between [code]from[/code] and [code]to[/code] positions. If [code]from[/code] and [code]to[/code] equals 0 the whole string will be used. If only [code]to[/code] equals 0 the remained substring will be used.
 			</description>