'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.

3 files changed, 9 insertions, 12 deletions

diff --git a/doc/lispref/help.texi b/doc/lispref/help.texi
index b945e438f55..1bb2c7c4d08 100644
--- a/doc/lispref/help.texi
+++ b/doc/lispref/help.texi
@@ -332,15 +332,13 @@ stands for no text itself.  It is used only for a side effect: it
 specifies @var{mapvar}'s value as the keymap for any following
 @samp{\[@var{command}]} sequences in this documentation string.
 
-@item ‘
-@itemx `
-(left single quotation mark and grave accent) both stand for a left quote.
+@item `
+(grave accent) stands for a left quote.
 This generates a left single quotation mark, an apostrophe, or a grave
 accent depending on the value of @code{text-quoting-style}.
 
-@item ’
-@itemx '
-(right single quotation mark and apostrophe) both stand for a right quote.
+@item '
+(apostrophe) stands for a right quote.
 This generates a right single quotation mark or an apostrophe
 depending on the value of @code{text-quoting-style}.
 
@@ -361,7 +359,8 @@ should use for single quotes in the wording of help and messages.
 If the variable's value is @code{curve}, the style is
 @t{‘like this’} with curved single quotes.  If the value is
 @code{straight}, the style is @t{'like this'} with straight
-apostrophes.  If the value is @code{grave}, the style is @t{`like
+apostrophes.  If the value is @code{grave},
+quotes are not translated and the style is @t{`like
 this'} with grave accent and apostrophe, the standard style
 before Emacs version 25.  The default value @code{nil}
 acts like @code{curve} if curved single quotes are displayable, and
diff --git a/doc/lispref/strings.texi b/doc/lispref/strings.texi
index 58ab02dbc41..cf0505f4467 100644
--- a/doc/lispref/strings.texi
+++ b/doc/lispref/strings.texi
@@ -840,9 +840,8 @@ if any.
 @cindex curved quotes
 @cindex curly quotes
 This function acts like @code{format}, except it also converts any
-curved single quotes in @var{string} as per the value of
-@code{text-quoting-style}, and treats grave accent (@t{`}) and
-apostrophe (@t{'}) as if they were curved single quotes.
+grave accents (@t{`}) and apostrophes (@t{'}) in @var{string} as per the
+value of @code{text-quoting-style}.
 
 A format that quotes with grave accents and apostrophes @t{`like
 this'} typically generates curved quotes @t{‘like this’}.  In
diff --git a/doc/lispref/tips.texi b/doc/lispref/tips.texi
index d12de7aee2d..a8589df031c 100644
--- a/doc/lispref/tips.texi
+++ b/doc/lispref/tips.texi
@@ -679,8 +679,7 @@ which quotes symbols with grave accent @t{`} and apostrophe
 @t{'}: @t{`like-this'} rather than @t{‘like-this’}.  This
 older convention was designed for now-obsolete displays in which grave
 accent and apostrophe were mirror images.
-
-Documentation using either convention is converted to the user's
+Documentation using this convention is converted to the user's
 preferred format when it is copied into a help buffer.  @xref{Keys in
 Documentation}.