===================================================================
RCS file: /cvs/mandoc/mandoc.c,v
retrieving revision 1.70
retrieving revision 1.72
diff -u -p -r1.70 -r1.72
--- mandoc/mandoc.c	2013/11/10 21:34:04	1.70
+++ mandoc/mandoc.c	2013/12/25 22:45:33	1.72
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.c,v 1.70 2013/11/10 21:34:04 schwarze Exp $ */
+/*	$Id: mandoc.c,v 1.72 2013/12/25 22:45:33 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
@@ -102,6 +102,14 @@ mandoc_escape(const char const **end, const char const
 		break;
 
 	/*
+	 * Escapes taking no arguments at all.
+	 */
+	case ('d'):
+		/* FALLTHROUGH */
+	case ('u'):
+		return(ESCAPE_IGNORE);
+
+	/*
 	 * The \z escape is supposed to output the following
 	 * character without advancing the cursor position.  
 	 * Since we are mostly dealing with terminal mode,
@@ -419,10 +427,10 @@ mandoc_strdup(const char *ptr)
  * Parse a quoted or unquoted roff-style request or macro argument.
  * Return a pointer to the parsed argument, which is either the original
  * pointer or advanced by one byte in case the argument is quoted.
- * Null-terminate the argument in place.
+ * NUL-terminate the argument in place.
  * Collapse pairs of quotes inside quoted arguments.
  * Advance the argument pointer to the next argument,
- * or to the null byte terminating the argument line.
+ * or to the NUL byte terminating the argument line.
  */
 char *
 mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
@@ -493,7 +501,7 @@ mandoc_getarg(struct mparse *parse, char **cpp, int ln
 	if (1 == quoted)
 		mandoc_msg(MANDOCERR_BADQUOTE, parse, ln, *pos, NULL);
 
-	/* Null-terminate this argument and move to the next one. */
+	/* NUL-terminate this argument and move to the next one. */
 	if (pairs)
 		cp[-pairs] = '\0';
 	if ('\0' != *cp) {