Omit substitute-command-keys code no longer needed

* src/doc.c (Fsubstitute_command_keys):
Remove duplicate initializations.

diff --git a/src/doc.c b/src/doc.c
index 37a731bfcecee026269c73ddf03c80887412d872..4b91831c70333352eed7b2a63f3986afe3c5afee 100644 (file)
--- a/src/doc.c
+++ b/src/doc.c
@@ -743,10 +743,12 @@ Otherwise, return a new string.  */)
   if (NILP (string))
     return Qnil;
 
+  /* If STRING contains non-ASCII unibyte data, process its
+     properly-encoded multibyte equivalent instead.  This simplifies
+     the implementation and is OK since substitute-command-keys is
+     intended for use only on text strings.  Keep STRING around, since
+     it will be returned if no changes occur.  */
   Lisp_Object str = Fstring_make_multibyte (string);
-  tem = Qnil;
-  keymap = Qnil;
-  name = Qnil;
 
   enum text_quoting_style quoting_style = text_quoting_style ();
 
@@ -905,6 +907,8 @@ Otherwise, return a new string.  */)
         }
 
        subst_string:
+         /* Convert non-ASCII unibyte data to properly-encoded multibyte,
+            for the same reason STRING was converted to STR.  */
          tem = Fstring_make_multibyte (tem);
          start = SDATA (tem);
          length = SCHARS (tem);