\\=\\= quotes the following character and is discarded;
thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ into the output.
-Returns original STRING if no substitutions were made. Othwerwise,
+Returns original STRING if no substitutions were made. Otherwise,
a new string, without any text properties, is returned. */)
(string)
Lisp_Object string;