===================================================================
RCS file: /cvs/mandoc/mandoc.c,v
retrieving revision 1.101
retrieving revision 1.109
diff -u -p -r1.101 -r1.109
--- mandoc/mandoc.c	2017/06/11 19:37:01	1.101
+++ mandoc/mandoc.c	2018/12/14 05:18:02	1.109
@@ -1,7 +1,7 @@
-/*	$Id: mandoc.c,v 1.101 2017/06/11 19:37:01 schwarze Exp $ */
+/*	$Id: mandoc.c,v 1.109 2018/12/14 05:18:02 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -41,7 +41,7 @@ enum mandoc_esc
 mandoc_escape(const char **end, const char **start, int *sz)
 {
 	const char	*local_start;
-	int		 local_sz;
+	int		 local_sz, c, i;
 	char		 term;
 	enum mandoc_esc	 gly;
 
@@ -96,6 +96,8 @@ mandoc_escape(const char **end, const char **start, in
 	case ',':
 	case '/':
 		return ESCAPE_IGNORE;
+	case 'p':
+		return ESCAPE_BREAK;
 
 	/*
 	 * The \z escape is supposed to output the following
@@ -137,6 +139,13 @@ mandoc_escape(const char **end, const char **start, in
 			break;
 		}
 		break;
+	case '*':
+		if (strncmp(*start, "(.T", 3) != 0)
+			abort();
+		gly = ESCAPE_DEVICE;
+		*start = ++*end;
+		*sz = 2;
+		break;
 
 	/*
 	 * These escapes are of the form \X'Y', where 'X' is the trigger
@@ -293,21 +302,29 @@ mandoc_escape(const char **end, const char **start, in
 
 	switch (gly) {
 	case ESCAPE_FONT:
-		if (2 == *sz) {
-			if ('C' == **start) {
+		if (*sz == 2) {
+			if (**start == 'C') {
+				if ((*start)[1] == 'W' ||
+				    (*start)[1] == 'R') {
+					gly = ESCAPE_FONTCW;
+					break;
+				}
 				/*
-				 * Treat constant-width font modes
+				 * Treat other constant-width font modes
 				 * just like regular font modes.
 				 */
 				(*start)++;
 				(*sz)--;
 			} else {
-				if ('B' == (*start)[0] && 'I' == (*start)[1])
+				if ((*start)[0] == 'B' && (*start)[1] == 'I')
 					gly = ESCAPE_FONTBI;
 				break;
 			}
-		} else if (1 != *sz)
+		} else if (*sz != 1) {
+			if (*sz == 0)
+				gly = ESCAPE_FONTPREV;
 			break;
+		}
 
 		switch (**start) {
 		case '3':
@@ -328,8 +345,26 @@ mandoc_escape(const char **end, const char **start, in
 		}
 		break;
 	case ESCAPE_SPECIAL:
-		if (1 == *sz && 'c' == **start)
-			gly = ESCAPE_NOSPACE;
+		if (**start == 'c') {
+			if (*sz == 1) {
+				gly = ESCAPE_NOSPACE;
+				break;
+			}
+			if (*sz < 6 || *sz > 7 ||
+			    strncmp(*start, "char", 4) != 0 ||
+			    (int)strspn(*start + 4, "0123456789") + 4 < *sz)
+				break;
+			c = 0;
+			for (i = 4; i < *sz; i++)
+				c = 10 * c + ((*start)[i] - '0');
+			if (c < 0x21 || (c > 0x7e && c < 0xa0) || c > 0xff)
+				break;
+			*start += 4;
+			*sz -= 4;
+			gly = ESCAPE_NUMBERED;
+			break;
+		}
+
 		/*
 		 * Unicode escapes are defined in groff as \[u0000]
 		 * to \[u10FFFF], where the contained value must be
@@ -432,7 +467,7 @@ mandoc_getarg(struct mparse *parse, char **cpp, int ln
 
 	/* Quoted argument without a closing quote. */
 	if (1 == quoted)
-		mandoc_msg(MANDOCERR_ARG_QUOTE, parse, ln, *pos, NULL);
+		mandoc_msg(MANDOCERR_ARG_QUOTE, ln, *pos, NULL);
 
 	/* NUL-terminate this argument and move to the next one. */
 	if (pairs)
@@ -446,7 +481,7 @@ mandoc_getarg(struct mparse *parse, char **cpp, int ln
 	*cpp = cp;
 
 	if ('\0' == *cp && (white || ' ' == cp[-1]))
-		mandoc_msg(MANDOCERR_SPACE_EOL, parse, ln, *pos, NULL);
+		mandoc_msg(MANDOCERR_SPACE_EOL, ln, *pos, NULL);
 
 	return start;
 }
@@ -521,28 +556,36 @@ fail:
 char *
 mandoc_normdate(struct roff_man *man, char *in, int ln, int pos)
 {
+	char		*cp;
 	time_t		 t;
 
 	/* No date specified: use today's date. */
 
 	if (in == NULL || *in == '\0' || strcmp(in, "$" "Mdocdate$") == 0) {
-		mandoc_msg(MANDOCERR_DATE_MISSING, man->parse, ln, pos, NULL);
+		mandoc_msg(MANDOCERR_DATE_MISSING, ln, pos, NULL);
 		return time2a(time(NULL));
 	}
 
 	/* Valid mdoc(7) date format. */
 
 	if (a2time(&t, "$" "Mdocdate: %b %d %Y $", in) ||
-	    a2time(&t, "%b %d, %Y", in))
-		return time2a(t);
+	    a2time(&t, "%b %d, %Y", in)) {
+		cp = time2a(t);
+		if (t > time(NULL) + 86400)
+			mandoc_msg(MANDOCERR_DATE_FUTURE, ln, pos, "%s", cp);
+		else if (*in != '$' && strcmp(in, cp) != 0)
+			mandoc_msg(MANDOCERR_DATE_NORM, ln, pos, "%s", cp);
+		return cp;
+	}
 
 	/* In man(7), do not warn about the legacy format. */
 
 	if (a2time(&t, "%Y-%m-%d", in) == 0)
-		mandoc_msg(MANDOCERR_DATE_BAD, man->parse, ln, pos, in);
+		mandoc_msg(MANDOCERR_DATE_BAD, ln, pos, "%s", in);
+	else if (t > time(NULL) + 86400)
+		mandoc_msg(MANDOCERR_DATE_FUTURE, ln, pos, "%s", in);
 	else if (man->macroset == MACROSET_MDOC)
-		mandoc_vmsg(MANDOCERR_DATE_LEGACY, man->parse,
-		    ln, pos, "Dd %s", in);
+		mandoc_msg(MANDOCERR_DATE_LEGACY, ln, pos, "Dd %s", in);
 
 	/* Use any non-mdoc(7) date verbatim. */