PATCH: .de macro name may end in tab

[Ingo Schwarze <schwarze@usta.de>]

Hi Tristan,

Tristan Le Guern wrote on Tue, Apr 05, 2011 at 05:25:22PM +0200:

> i notice some indentation errors in fvwm man page in
> 'THE VIRTUAL DESKTOP' section.

That's a bug in mandoc(1), thanks for reporting!
The page has this:

  .de<space>EX<tab><tab>\"Begin example

Searching for a space, mandoc misses the end of the EX macro name
and ends up defining a macro with a wrong name.

Here is a fix; OK?

Yours,
  Ingo


Index: roff.c
===================================================================
RCS file: /cvs/src/usr.bin/mandoc/roff.c,v
retrieving revision 1.32
diff -u -p -r1.32 roff.c
--- roff.c	20 Mar 2011 23:36:42 -0000	1.32
+++ roff.c	5 Apr 2011 21:33:48 -0000
@@ -745,10 +745,10 @@ roff_block(ROFF_ARGS)
 			(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos,
 			    roffs[tok].name);
 
-		while ((*bufp)[pos] && ' ' != (*bufp)[pos])
+		while ((*bufp)[pos] && !isspace((*bufp)[pos]))
 			pos++;
 
-		while (' ' == (*bufp)[pos])
+		while (isspace((*bufp)[pos]))
 			(*bufp)[pos++] = '\0';
 	}
 
@@ -769,9 +769,7 @@ roff_block(ROFF_ARGS)
 	/* If present, process the custom end-of-line marker. */
 
 	sv = pos;
-	while ((*bufp)[pos] &&
-			' ' != (*bufp)[pos] && 
-			'\t' != (*bufp)[pos])
+	while ((*bufp)[pos] && !isspace((*bufp)[pos]))
 		pos++;
 
 	/*
--
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