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Date: Thu, 28 Jul 2011 10:53:22 -0400 (EDT)
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From: kristaps@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: Fix border condition in `tr' grokking arguments.
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Log Message:
-----------
Fix border condition in `tr' grokking arguments.

Modified Files:
--------------
    mdocml:
        roff.c

Revision Data
-------------
Index: roff.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/roff.c,v
retrieving revision 1.164
retrieving revision 1.165
diff -Lroff.c -Lroff.c -u -p -r1.164 -r1.165
--- roff.c
+++ roff.c
@@ -1383,10 +1383,11 @@ roff_tr(ROFF_ARGS)
 				return(ROFF_IGN);
 			}
 			ssz = (size_t)(p - second);
-		} else if ('\0' == *p) {
+		} else if ('\0' == *second) {
 			mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, 
 					ln, (int)(p - *bufp), NULL);
 			second = " ";
+			p--;
 		}
 
 		roff_setstrn(&r->chrtab, first, fsz, second, ssz, 0);
--
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