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string in a register
From: |
Masatake YAMATO |
Subject: |
string in a register |
Date: |
Thu, 05 Dec 2002 17:49:01 +0900 (JST) |
Dear Emacs developers,
Could I send a patch here?
I have some interests in register.el.
If the contents of register is an just empty string("") or white
spaces, `list-registers' doesn't work well. This is a fix for it.
2002-11-20 Masatake YAMATO <address@hidden> (tiny change)
* register.el (describe-register-1): use window-width
to truncate string in a register. check whether the string
in a register is an empty string or a sequence of white spaces.
Regards,
Masatake YAMATO
Index: lisp/register.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/register.el,v
retrieving revision 1.42
diff -u -r1.42 register.el
--- lisp/register.el 19 Nov 2002 07:37:59 -0000 1.42
+++ lisp/register.el 19 Nov 2002 16:35:32 -0000
@@ -234,8 +234,15 @@
(princ "the text:\n")
(princ val))
(princ "text starting with\n ")
- (string-match "[^ \t\n].\\{,20\\}" val)
- (princ (match-string 0 val))))
+ (cond
+ ;; 4 spaces are inserted in above princ. so we cannot use all
(window-width).
+ ;; abs is needed for the case that (window-width) is less than 6.
+ ((string-match (format "[^ \t\n].\\{,%d\\}" (abs (- (window-width)
6))) val)
+ (princ (match-string 0 val)))
+ ((string-match "^[ \t\n]+$" val)
+ (princ " <white spaces>"))
+ (t
+ (princ "<empty string>")))))
(t
(princ "Garbage:\n")
(if verbose (prin1 val))))))
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