'text-quoting-style' now affects only ` and '

Change 'text-quoting-style' so that it no longer affects
formatting of curved quotes in format arguments to functions like
'message'.  In particular, when this variable's value is 'grave',
all quotes in formats are output as-is.
* doc/lispref/help.texi (Keys in Documentation):
* doc/lispref/strings.texi (Formatting Strings):
* doc/lispref/tips.texi (Documentation Tips):
* etc/NEWS:
* src/doc.c (syms_of_doc): Document this.
* lisp/help-fns.el (describe-function-1):
* src/doc.c (text_quoting_style, Fsubstitute_command_keys)
(syms_of_doc):
* src/editfns.c (styled_format): Omit now-unnecessary code.
* src/lisp.h (LEAVE_QUOTING_STYLE): Remove.

1 files changed, 8 insertions, 2 deletions

diff --git a/etc/NEWS b/etc/NEWS
index b4407a661ad..ed0bc5f7626 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -207,7 +207,7 @@ viewing HTML files and the like.
 
 *** Ediff can be prevented from pausing 1 second after reaching a
 breakpoint (e.g. with "f" and "o") by customizing the new option
-`edebug-sit-on-break'.
+'edebug-sit-on-break'.
 
 ** eww
 
@@ -364,13 +364,19 @@ mode bindings: 'C-c @ C-a', 'C-c @ C-t', 'C-c @ C-d', and 'C-c @ C-e.'
 before running.  This is controlled by the 'grep-save-buffers'
 variable.
 
++++
+** The variable 'text-quoting-style' no longer affects the treatment
+of curved quotes in format arguments to functions like 'message' and
+'format-message'.  In particular, when this variable's value is
+'grave', all quotes in formats are output as-is.
+
 
 * Lisp Changes in Emacs 25.2
 
 ** New var syntax-ppss-table to control the syntax-table used in syntax-ppss.
 
 +++
-** `define-derived-mode' can now specify an :after-hook form, which
+** 'define-derived-mode' can now specify an :after-hook form, which
 gets evaluated after the new mode's hook has run.  This can be used to
 incorporate configuration changes made in the mode hook into the
 mode's setup.