Re: error message without quotes translation

[Paul Eggert <eggert@cs.ucla.edu>]

[-- Attachment #1: Type: text/plain, Size: 231 bytes --]

Tino Calancha wrote:
> From the above entry i expect the same works for `error' as well:
> (error "%s" (format "`Symbol' 'foo"))

Yes, there's a bug there. Thanks for reporting it. I fixed it in master by 
installing the attached.

[-- Attachment #2: 0001-Fix-over-substitution-of-quotes-on-error.patch --]
[-- Type: text/x-diff, Size: 1314 bytes --]

From 83f79ea8f4704444e6a3f88f5890d06904e574cb Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 31 Aug 2016 23:05:48 -0700
Subject: [PATCH] Fix over-substitution of quotes on error

Problem reported by Tino Calancha in:
http://lists.gnu.org/archive/html/emacs-devel/2016-09/msg00000.html
* src/print.c (print_error_message):
Substitute quotes in errmsg only when gotten from a property.
---
 src/print.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/print.c b/src/print.c
index 5531210..d54a7c9 100644
--- a/src/print.c
+++ b/src/print.c
@@ -920,7 +920,7 @@ print_error_message (Lisp_Object data, Lisp_Object stream, const char *context,
   else
     {
       Lisp_Object error_conditions = Fget (errname, Qerror_conditions);
-      errmsg = Fget (errname, Qerror_message);
+      errmsg = Fsubstitute_command_keys (Fget (errname, Qerror_message));
       file_error = Fmemq (Qfile_error, error_conditions);
     }
 
@@ -939,7 +939,7 @@ print_error_message (Lisp_Object data, Lisp_Object stream, const char *context,
     if (!STRINGP (errmsg))
       write_string_1 ("peculiar error", stream);
     else if (SCHARS (errmsg))
-      Fprinc (Fsubstitute_command_keys (errmsg), stream);
+      Fprinc (errmsg, stream);
     else
       sep = NULL;
 
-- 
2.7.4