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List:       busybox-cvs
Subject:    svn commit: trunk/busybox/miscutils
From:       vda () busybox ! net (vda at busybox ! net)
Date:       2006-12-31 19:36:01
Message-ID: 20061231193601.B67EA485AB () busybox ! net
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Author: vda
Date: 2006-12-31 11:36:01 -0800 (Sun, 31 Dec 2006)
New Revision: 17121

Log:
less: fix <tab><backspace> buglet


Modified:
   trunk/busybox/miscutils/less.c


Changeset:
Modified: trunk/busybox/miscutils/less.c
===================================================================
--- trunk/busybox/miscutils/less.c	2006-12-31 19:23:31 UTC (rev 17120)
+++ trunk/busybox/miscutils/less.c	2006-12-31 19:36:01 UTC (rev 17121)
@@ -212,13 +212,13 @@
 				}
 			}
 			c = readbuf[readpos];
-			/* backspace? [need this for manpage display] */
-			if (c == '\x8' && linepos) {
+			/* backspace? [needed for manpages] */
+			/* <tab><bs> is (a) insane and */
+			/* (b) harder to do correctly, so we refuse to do it */
+			if (c == '\x8' && linepos && p[-1] != '\t') {
 				readpos++; /* eat it */
-				/* We do not consider the case of <tab><bs> */
-				/* Anyone who has that is pure evil :) */
 				linepos--;
-				*p-- = '\0';
+				*--p = '\0';
 				continue;
 			}
 			if (c == '\t')


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