Avoid a compilation warning

[gnu-emacs] / lisp / descr-text.el

diff --git a/lisp/descr-text.el b/lisp/descr-text.el
index 774ee92a1460564e00c5c3e04d2c205f3cf3126c..1dc43e96b7952ffd3e44428758f845ecf6fcd8f7 100644 (file)
--- a/lisp/descr-text.el
+++ b/lisp/descr-text.el
@@ -1,9 +1,9 @@
-;;; descr-text.el --- describe text mode
+;;; descr-text.el --- describe text mode  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1994-1996, 2001-2013 Free Software Foundation, Inc.
+;; Copyright (C) 1994-1996, 2001-2014 Free Software Foundation, Inc.
 
 ;; Author: Boris Goldowsky <boris@gnu.org>
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 ;; Keywords: faces, i18n, Unicode, multilingual
 
 ;; This file is part of GNU Emacs.
@@ -23,7 +23,7 @@
 
 ;;; Commentary:
 
-;;; Describe-Text Mode.
+;; Describe-Text Mode.
 
 ;;; Code:
 
@@ -36,8 +36,7 @@
   "Insert text to describe WIDGET in the current buffer."
   (insert-text-button
    (symbol-name (if (symbolp widget) widget (car widget)))
-   'action `(lambda (&rest ignore)
-             (widget-browse ',widget))
+   'action (lambda (&rest _ignore) (widget-browse widget))
    'help-echo "mouse-2, RET: browse this widget")
   (insert " ")
   (insert-text-button
@@ -55,10 +54,10 @@
             (<= (length pp) (- (window-width) (current-column))))
        (insert pp)
       (insert-text-button
-       "[Show]" 'action `(lambda (&rest ignore)
-                          (with-output-to-temp-buffer
-                              "*Pp Eval Output*"
-                            (princ ',pp)))
+       "[Show]" 'action (lambda (&rest _ignore)
+                          (with-output-to-temp-buffer
+                              "*Pp Eval Output*"
+                            (princ pp)))
        'help-echo "mouse-2, RET: pretty print value in another buffer"))))
 
 (defun describe-property-list (properties)
@@ -81,8 +80,8 @@ into help buttons that call `describe-text-category' or
       (cond ((eq key 'category)
             (insert-text-button
              (symbol-name value)
-             'action `(lambda (&rest ignore)
-                        (describe-text-category ',value))
+             'action (lambda (&rest _ignore)
+                        (describe-text-category value))
              'follow-link t
              'help-echo "mouse-2, RET: describe this category"))
             ((memq key '(face font-lock-face mouse-face))
@@ -435,13 +434,26 @@ relevant to POS."
                     code (encode-char char charset)))
         (setq code char))
       (cond
-       ;; Append a PDF character to directional embeddings and
-       ;; overrides, to prevent potential messup of the following
-       ;; text.
-       ((memq char '(?\x202a ?\x202b ?\x202d ?\x202e))
+       ;; Append a PDF character to left-to-right directional
+       ;; embeddings and overrides, to prevent potential messup of the
+       ;; following text.
+       ((memq char '(?\x202a ?\x202d))
        (setq char-description
              (concat char-description
                      (propertize (string ?\x202c) 'invisible t))))
+       ;; Append a PDF character followed by LRM to right-to-left
+       ;; directional embeddings and overrides, to prevent potential
+       ;; messup of the following numerical text.
+       ((memq char '(?\x202b ?\x202e))
+       (setq char-description
+             (concat char-description
+                     (propertize (string ?\x202c ?\x200e) 'invisible t))))
+       ;; Append a PDI character to directional isolate initiators, to
+       ;; prevent potential messup of the following numerical text
+       ((memq char '(?\x2066 ?\x2067 ?\x2068))
+       (setq char-description
+             (concat char-description
+                     (propertize (string ?\x2069) 'invisible t))))
        ;; Append a LRM character to any strong character to avoid
        ;; messing up the numerical codepoint.
        ((memq (get-char-code-property char 'bidi-class) '(R AL))
@@ -663,7 +675,7 @@ relevant to POS."
                             ((and (< char 32) (not (memq char '(9 10))))
                              'escape-glyph)))))
                   (if face (list (list "hardcoded face"
-                                       `(insert-text-button
+                                       `(insert-text-button ;FIXME: Wrap in lambda!
                                          ,(symbol-name face)
                                          'type 'help-face
                                          'help-args '(,face))))))