[Docs] Remove double-spaces from descriptions, as well a couple other small fixes

(cherry picked from commit eaac1e3b81)

doc/classes/@GDScript.xml

@@ -373,7 +373,7 @@
 			<description>
 				Returns the floating-point remainder of [code]x/y[/code] that wraps equally in positive and negative.
 				[codeblock]
-				var i = -10;
+				var i = -10
 				while i &lt; 0:
 				    prints(i, fposmod(i, 10))
 				    i += 1

doc/classes/Color.xml

@@ -4,7 +4,7 @@
 		Color in RGBA format with some support for ARGB format.
 	</brief_description>
 	<description>
-		A color is represented as red, green and blue (r,g,b) components. Additionally, "a" represents the alpha component, often used for transparency. Values are in floating point and usually range from 0 to 1.  Some methods (such as set_modulate(color)) may accept values &gt; 1.
+		A color is represented as red, green and blue (r,g,b) components. Additionally, "a" represents the alpha component, often used for transparency. Values are in floating point and usually range from 0 to 1. Some methods (such as [member CanvasItem.modulate]) may accept values &gt; 1.
 		You can also create a color from standardised color names with [method @GDScript.ColorN].
 	</description>
 	<tutorials>

doc/classes/LargeTexture.xml

@@ -74,7 +74,7 @@
 			<argument index="1" name="texture" type="Texture">
 			</argument>
 			<description>
-				Sets the [Texture] of the piece with index "idx" to  "ofs".
+				Sets the [Texture] of the piece with index "idx" to "texture".
 			</description>
 		</method>
 		<method name="set_size">