[Emacs-diffs] Changes to emacs/src/coding.c,v

[Glenn Morris]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Glenn Morris <gm>       07/10/17 01:29:58

Index: coding.c
===================================================================
RCS file: /sources/emacs/emacs/src/coding.c,v
retrieving revision 1.357
retrieving revision 1.358
diff -u -b -r1.357 -r1.358
--- coding.c    16 Oct 2007 16:28:39 -0000      1.357
+++ coding.c    17 Oct 2007 01:29:58 -0000      1.358
@@ -374,6 +374,8 @@
 Lisp_Object Qstart_process, Qopen_network_stream;
 Lisp_Object Qtarget_idx;
 
+extern Lisp_Object Qcompletion_ignore_case;
+
 /* If a symbol has this property, evaluate the value to define the
    symbol as a coding system.  */
 Lisp_Object Qcoding_system_define_form;
@@ -6554,16 +6556,22 @@
 
 DEFUN ("read-coding-system", Fread_coding_system, Sread_coding_system, 1, 2, 0,
        doc: /* Read a coding system from the minibuffer, prompting with string 
PROMPT.
-If the user enters null input, return second argument DEFAULT-CODING-SYSTEM.  
*/)
+If the user enters null input, return second argument DEFAULT-CODING-SYSTEM.
+Ignores case when completing coding systems (all Emacs coding systems
+are lower-case).  */)
      (prompt, default_coding_system)
      Lisp_Object prompt, default_coding_system;
 {
   Lisp_Object val;
+  int count = SPECPDL_INDEX ();
+
   if (SYMBOLP (default_coding_system))
     default_coding_system = SYMBOL_NAME (default_coding_system);
+  specbind (Qcompletion_ignore_case, Qt);
   val = Fcompleting_read (prompt, Vcoding_system_alist, Qnil,
                          Qt, Qnil, Qcoding_system_history,
                          default_coding_system, Qnil);
+  unbind_to (count, Qnil);
   return (SCHARS (val) == 0 ? Qnil : Fintern (val, Qnil));
 }