X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/b3843c61858aa78d450bdaaa2e597f0a1f7b39e4..4b03e20a6f086c901d7e183a905ee9097a6de0b6:/lisp/disp-table.el

diff --git a/lisp/disp-table.el b/lisp/disp-table.el
index 4bf52896cf..5e28e2163e 100644
--- a/lisp/disp-table.el
+++ b/lisp/disp-table.el
@@ -1,7 +1,7 @@
 ;;; disp-table.el --- functions for dealing with char tables
 
 ;; Copyright (C) 1987, 1994, 1995, 1999, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007 Free Software Foundation, Inc.
+;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
 
 ;; Author: Erik Naggum <erik@naggum.no>
 ;; Based on a previous version by Howard Gayle
@@ -75,7 +75,7 @@ Valid symbols are `truncation', `wrap', `escape', `control',
 ;;;###autoload
 (defun describe-display-table (dt)
   "Describe the display table DT in a help buffer."
-  (with-output-to-temp-buffer "*Help*"
+  (with-help-window "*Help*"
     (princ "\nTruncation glyph: ")
     (prin1 (display-table-slot dt 'truncation))
     (princ "\nWrap glyph: ")
@@ -97,8 +97,7 @@ Valid symbols are `truncation', `wrap', `escape', `control',
 	  (aset vector i (aref dt i))
 	  (setq i (1+ i)))
 	(describe-vector vector))
-      (help-mode))
-    (print-help-return-message)))
+      (help-mode))))
 
 ;;;###autoload
 (defun describe-current-display-table ()
@@ -126,7 +125,7 @@ Valid symbols are `truncation', `wrap', `escape', `control',
   (or standard-display-table
       (setq standard-display-table (make-display-table)))
   (while (<= l h)
-    (if (and (>= l ?\s) (char-valid-p l))
+    (if (and (>= l ?\s) (characterp l))
 	(aset standard-display-table l nil))
     (setq l (1+ l))))
 
@@ -190,25 +189,30 @@ X frame."
 (defun make-glyph-code (char &optional face)
   "Return a glyph code representing char CHAR with face FACE."
   ;; Due to limitations on Emacs integer values, faces with
-  ;; face id greater that 4091 are silently ignored.
-  (if (and face (<= (face-id face) #xfff))
-      (logior char (lsh (face-id face) 19))
-    char))
+  ;; face id greater that 512 are silently ignored.
+  (if (not face)
+      char
+    (let ((fid (face-id face)))
+      (if (< fid 64) ; we have 32 - 3(LSB) - 1(SIGN) - 22(CHAR) = 6 bits for face id
+	  (logior char (lsh fid 22))
+	(cons char fid)))))
 
 ;;;###autoload
 (defun glyph-char (glyph)
   "Return the character of glyph code GLYPH."
-  (logand glyph #x7ffff))
+  (if (consp glyph)
+      (car glyph)
+    (logand glyph #x3fffff)))
 
 ;;;###autoload
 (defun glyph-face (glyph)
   "Return the face of glyph code GLYPH, or nil if glyph has default face."
-  (let ((face-id (lsh glyph -19)))
+  (let ((face-id (if (consp glyph) (cdr glyph) (lsh glyph -22))))
     (and (> face-id 0)
-	 (car (delq nil (mapcar (lambda (face)
-				  (and (eq (get face 'face) face-id)
-				       face))
-				(face-list)))))))
+	 (catch 'face
+	   (dolist (face (face-list))
+	     (when (eq (face-id face) face-id)
+	       (throw 'face face)))))))
 
 ;;;###autoload
 (defun standard-display-european (arg)