master daaff30b: Follow elisp quoting convention

[Ikumi Keita]

branch: master
commit daaff30b4aa6efce191460d6228be99fc0be4ec1
Author: Ikumi Keita <ikumi@ikumi.que.jp>
Commit: Ikumi Keita <ikumi@ikumi.que.jp>

    Follow elisp quoting convention
    
    * preview.el.in (preview-toggle):
    * style/graphicx.el (LaTeX-arg-graphicx-includegraphics-key-val):
    * tex-fold.el (TeX-fold-region-macro-or-env):
    * tex.el (TeX-search-unescaped):
    Quote symbols in doc strings with `this style'.
---
 preview.el.in     | 2 +-
 style/graphicx.el | 4 ++--
 tex-fold.el       | 4 ++--
 tex.el            | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/preview.el.in b/preview.el.in
index 253900df..cefa807e 100644
--- a/preview.el.in
+++ b/preview.el.in
@@ -1945,7 +1945,7 @@ definition of OV, AFTER-CHANGE, BEG, END and LENGTH."
 (defun preview-toggle (ov &optional arg event)
   "Toggle visibility of preview overlay OV.
 ARG can be one of the following: t displays the overlay,
-nil displays the underlying text, and \\='toggle toggles.
+nil displays the underlying text, and `toggle' toggles.
 If EVENT is given, it indicates the window where the event
 occured, either by being a mouse event or by directly being
 the window in question.  This may be used for cursor restoration
diff --git a/style/graphicx.el b/style/graphicx.el
index e9e42011..5704ecf1 100644
--- a/style/graphicx.el
+++ b/style/graphicx.el
@@ -89,8 +89,8 @@ Temporarily remove \"space\" from `crm-local-completion-map' 
and
 `minibuffer-local-completion-map' in order to be able to insert
 spaces conveniently.
 
-If `TeX-engine' is set to symbol \\='default (while
-`TeX-PDF-from-DVI' is set to nil) or \\='luatex and `TeX-PDF-mode'
+If `TeX-engine' is set to symbol `default' (while
+`TeX-PDF-from-DVI' is set to nil) or `luatex' and `TeX-PDF-mode'
 is non-nil, add the keys \"page\" and \"pagebox\" to list of
 key-val's."
   (let ((crm-local-completion-map
diff --git a/tex-fold.el b/tex-fold.el
index f8853457..6f74f75a 100644
--- a/tex-fold.el
+++ b/tex-fold.el
@@ -311,8 +311,8 @@ and `TeX-fold-math-spec-list', and environments in 
`TeX-fold-env-spec-list'."
 
 (defun TeX-fold-region-macro-or-env (start end type)
   "Fold all items of type TYPE in region from START to END.
-TYPE can be one of the symbols \\='env for environments, \\='macro
-for macros and \\='math for math macros."
+TYPE can be one of the symbols `env' for environments, `macro'
+for macros and `math' for math macros."
   (save-excursion
     (let (fold-list item-list regexp)
       (dolist (item (cond ((eq type 'env) TeX-fold-env-spec-list-internal)
diff --git a/tex.el b/tex.el
index bd1454f6..ea5fbbda 100644
--- a/tex.el
+++ b/tex.el
@@ -5674,7 +5674,7 @@ characters."
 (defun TeX-search-unescaped (pattern
                              &optional direction regexp-flag bound noerror)
   "Search for unescaped PATTERN in a certain DIRECTION.
-DIRECTION can be indicated by the symbols \\='forward and \\='backward.
+DIRECTION can be indicated by the symbols `forward' and `backward'.
 If DIRECTION is omitted, a forward search is carried out.
 If REGEXP-FLAG is non-nil, PATTERN may be a regular expression,
 otherwise a string.