Remove "?" from String.c_escape()

core/string/ustring.cpp

@@ -3899,7 +3899,6 @@ String String::c_unescape() const {
 	escaped = escaped.replace("\\v", "\v");
 	escaped = escaped.replace("\\'", "\'");
 	escaped = escaped.replace("\\\"", "\"");
-	escaped = escaped.replace("\\?", "\?");
 	escaped = escaped.replace("\\\\", "\\");
 
 	return escaped;
@@ -3916,7 +3915,6 @@ String String::c_escape() const {
 	escaped = escaped.replace("\t", "\\t");
 	escaped = escaped.replace("\v", "\\v");
 	escaped = escaped.replace("\'", "\\'");
-	escaped = escaped.replace("\?", "\\?");
 	escaped = escaped.replace("\"", "\\\"");
 
 	return escaped;

doc/classes/String.xml

@@ -80,7 +80,7 @@
 		<method name="c_unescape" qualifiers="const">
 			<return type="String" />
 			<description>
-				Returns a copy of the string with escaped characters replaced by their meanings. Supported escape sequences are [code]\'[/code], [code]\"[/code], [code]\?[/code], [code]\\[/code], [code]\a[/code], [code]\b[/code], [code]\f[/code], [code]\n[/code], [code]\r[/code], [code]\t[/code], [code]\v[/code].
+				Returns a copy of the string with escaped characters replaced by their meanings. Supported escape sequences are [code]\'[/code], [code]\"[/code], [code]\\[/code], [code]\a[/code], [code]\b[/code], [code]\f[/code], [code]\n[/code], [code]\r[/code], [code]\t[/code], [code]\v[/code].
 				[b]Note:[/b] Unlike the GDScript parser, this method doesn't support the [code]\uXXXX[/code] escape sequence.
 			</description>
 		</method>