docbook2mdoc: for the null character '\0', use the standard shorthand

[schwarze@mandoc.bsd.lv]

Log Message:
-----------
for the null character '\0', use the standard shorthand NUL, not "nil"

Modified Files:
--------------
    docbook2mdoc:
        docbook2mdoc.c

Revision Data
-------------
Index: docbook2mdoc.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/docbook2mdoc.c,v
retrieving revision 1.46
retrieving revision 1.47
diff -Ldocbook2mdoc.c -Ldocbook2mdoc.c -u -p -r1.46 -r1.47
--- docbook2mdoc.c
+++ docbook2mdoc.c
@@ -41,7 +41,7 @@ struct	parse {
 	unsigned int	 flags; /* document-wide flags */
 	struct pnode	*root; /* root of parse tree */
 	struct pnode	*cur; /* current node in tree */
-	char		*b; /* nil-terminated buffer for pre-print */
+	char		*b; /* NUL-terminated buffer for pre-print */
 	size_t		 bsz; /* current length of b */
 	size_t		 mbsz; /* max bsz allocation */
 	int		 newln; /* output: are we on a fresh line */
@@ -505,7 +505,7 @@ bufclear(struct parse *p)
 /*
  * Append NODE_TEXT contents to the current buffer, reallocating its
  * size if necessary.
- * The buffer is ALWAYS nil-terminated.
+ * The buffer is ALWAYS NUL-terminated.
  */
 static void
 bufappend(struct parse *p, struct pnode *pn)
--
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