From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: mandoc: With the improved escape sequence parser, it becomes easy to
Date: Sun, 5 Jun 2022 08:54:47 -0500 (EST) [thread overview]
Message-ID: <3365a0e8f5aaecbe@mandoc.bsd.lv> (raw)
Log Message:
-----------
With the improved escape sequence parser, it becomes easy to also improve
diagnostics. Distinguish "incomplete escape sequence", "invalid special
character", and "unknown special character" from the generic "invalid
escape sequence", also promoting them from WARNING to ERROR because
incomplete escape sequences are severe syntax violations and because
encountering an invalid or unknown special character makes it likely
that part of the document content intended by the authors gets lost.
Modified Files:
--------------
mandoc:
mandoc.1
mandoc.h
mandoc_msg.c
roff_escape.c
mandoc/regress/char/accent:
nocombine.out_lint
mandoc/regress/char/space:
invalid.out_lint
mandoc/regress/char/unicode:
input.out_lint
invalid.out_lint
mandoc/regress/roff/char:
badarg.out_lint
mandoc/regress/roff/esc:
B.out_lint
ignore.out_lint
invalid.out_lint
unsupp.out_lint
w.out_lint
mandoc/regress/roff/nr:
escname.out_lint
mandoc/regress/roff/string:
name.out_lint
Revision Data
-------------
Index: ignore.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/esc/ignore.out_lint,v
retrieving revision 1.8
retrieving revision 1.9
diff -Lregress/roff/esc/ignore.out_lint -Lregress/roff/esc/ignore.out_lint -u -p -r1.8 -r1.9
--- regress/roff/esc/ignore.out_lint
+++ regress/roff/esc/ignore.out_lint
@@ -1,14 +1,14 @@
-mandoc: ignore.in:7:36: WARNING: invalid escape sequence: \[%]
-mandoc: ignore.in:8:35: WARNING: invalid escape sequence: \[&]
-mandoc: ignore.in:9:51: WARNING: invalid escape sequence: \[)]
-mandoc: ignore.in:10:37: WARNING: invalid escape sequence: \[,]
-mandoc: ignore.in:11:38: WARNING: invalid escape sequence: \[/]
-mandoc: ignore.in:12:28: WARNING: invalid escape sequence: \[^]
-mandoc: ignore.in:13:17: WARNING: invalid escape sequence: \[a]
-mandoc: ignore.in:14:25: WARNING: invalid escape sequence: \[d]
-mandoc: ignore.in:15:25: WARNING: invalid escape sequence: \[t]
-mandoc: ignore.in:16:33: WARNING: invalid escape sequence: \[u]
-mandoc: ignore.in:17:20: WARNING: invalid escape sequence: \[{]
-mandoc: ignore.in:18:25: WARNING: invalid escape sequence: \[|]
-mandoc: ignore.in:19:20: WARNING: invalid escape sequence: \[}]
-mandoc: ignore.in:23:56: WARNING: invalid escape sequence: \s-
+mandoc: ignore.in:7:36: ERROR: invalid special character: \[%]
+mandoc: ignore.in:8:35: ERROR: invalid special character: \[&]
+mandoc: ignore.in:9:51: ERROR: invalid special character: \[)]
+mandoc: ignore.in:10:37: ERROR: invalid special character: \[,]
+mandoc: ignore.in:11:38: ERROR: invalid special character: \[/]
+mandoc: ignore.in:12:28: ERROR: invalid special character: \[^]
+mandoc: ignore.in:13:17: ERROR: invalid special character: \[a]
+mandoc: ignore.in:14:25: ERROR: invalid special character: \[d]
+mandoc: ignore.in:15:25: ERROR: invalid special character: \[t]
+mandoc: ignore.in:16:33: ERROR: invalid special character: \[u]
+mandoc: ignore.in:17:20: ERROR: invalid special character: \[{]
+mandoc: ignore.in:18:25: ERROR: invalid special character: \[|]
+mandoc: ignore.in:19:20: ERROR: invalid special character: \[}]
+mandoc: ignore.in:23:56: ERROR: incomplete escape sequence: \s-
Index: w.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/esc/w.out_lint,v
retrieving revision 1.5
retrieving revision 1.6
diff -Lregress/roff/esc/w.out_lint -Lregress/roff/esc/w.out_lint -u -p -r1.5 -r1.6
--- regress/roff/esc/w.out_lint
+++ regress/roff/esc/w.out_lint
@@ -1 +1 @@
-mandoc: w.in:17:15: WARNING: invalid escape sequence: \w'foo
+mandoc: w.in:17:15: ERROR: incomplete escape sequence: \w'foo
Index: unsupp.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/esc/unsupp.out_lint,v
retrieving revision 1.2
retrieving revision 1.3
diff -Lregress/roff/esc/unsupp.out_lint -Lregress/roff/esc/unsupp.out_lint -u -p -r1.2 -r1.3
--- regress/roff/esc/unsupp.out_lint
+++ regress/roff/esc/unsupp.out_lint
@@ -1,5 +1,5 @@
mandoc: unsupp.in:7:20: UNSUPP: unsupported escape sequence: \!
-mandoc: unsupp.in:7:23: WARNING: invalid escape sequence: \[!]
+mandoc: unsupp.in:7:23: ERROR: invalid special character: \[!]
mandoc: unsupp.in:8:17: UNSUPP: unsupported escape sequence: \?
mandoc: unsupp.in:8:21: UNSUPP: unsupported escape sequence: \?
-mandoc: unsupp.in:8:24: WARNING: invalid escape sequence: \[?]
+mandoc: unsupp.in:8:24: ERROR: invalid special character: \[?]
Index: B.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/esc/B.out_lint,v
retrieving revision 1.5
retrieving revision 1.6
diff -Lregress/roff/esc/B.out_lint -Lregress/roff/esc/B.out_lint -u -p -r1.5 -r1.6
--- regress/roff/esc/B.out_lint
+++ regress/roff/esc/B.out_lint
@@ -1 +1 @@
-mandoc: B.in:37:23: WARNING: invalid escape sequence: \B'1+1
+mandoc: B.in:37:23: ERROR: incomplete escape sequence: \B'1+1
Index: invalid.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/esc/invalid.out_lint,v
retrieving revision 1.2
retrieving revision 1.3
diff -Lregress/roff/esc/invalid.out_lint -Lregress/roff/esc/invalid.out_lint -u -p -r1.2 -r1.3
--- regress/roff/esc/invalid.out_lint
+++ regress/roff/esc/invalid.out_lint
@@ -1,43 +1,43 @@
mandoc: invalid.in:7:8: WARNING: undefined escape, printing literally: \+
-mandoc: invalid.in:7:11: WARNING: invalid escape sequence: \[+]
+mandoc: invalid.in:7:11: ERROR: invalid special character: \[+]
mandoc: invalid.in:8:13: WARNING: undefined escape, printing literally: \;
-mandoc: invalid.in:8:16: WARNING: invalid escape sequence: \[;]
+mandoc: invalid.in:8:16: ERROR: invalid special character: \[;]
mandoc: invalid.in:9:13: WARNING: undefined escape, printing literally: \<
-mandoc: invalid.in:9:16: WARNING: invalid escape sequence: \[<]
+mandoc: invalid.in:9:16: ERROR: invalid special character: \[<]
mandoc: invalid.in:10:12: WARNING: undefined escape, printing literally: \=
-mandoc: invalid.in:10:15: WARNING: invalid escape sequence: \[=]
+mandoc: invalid.in:10:15: ERROR: invalid special character: \[=]
mandoc: invalid.in:11:16: WARNING: undefined escape, printing literally: \>
-mandoc: invalid.in:11:19: WARNING: invalid escape sequence: \[>]
+mandoc: invalid.in:11:19: ERROR: invalid special character: \[>]
mandoc: invalid.in:12:6: WARNING: undefined escape, printing literally: \@
-mandoc: invalid.in:12:9: WARNING: invalid escape sequence: \[@]
+mandoc: invalid.in:12:9: ERROR: invalid special character: \[@]
mandoc: invalid.in:13:18: WARNING: undefined escape, printing literally: \]
-mandoc: invalid.in:14:16: WARNING: invalid escape sequence: \[{]
-mandoc: invalid.in:14:21: WARNING: invalid escape sequence: \[}]
+mandoc: invalid.in:14:16: ERROR: invalid special character: \[{]
+mandoc: invalid.in:14:21: ERROR: invalid special character: \[}]
mandoc: invalid.in:15:9: WARNING: undefined escape, printing literally: \1
-mandoc: invalid.in:15:12: WARNING: invalid escape sequence: \[1]
+mandoc: invalid.in:15:12: ERROR: invalid special character: \[1]
mandoc: invalid.in:16:5: WARNING: undefined escape, printing literally: \G
-mandoc: invalid.in:16:8: WARNING: invalid escape sequence: \[G]
+mandoc: invalid.in:16:8: ERROR: invalid special character: \[G]
mandoc: invalid.in:17:5: WARNING: undefined escape, printing literally: \I
-mandoc: invalid.in:17:8: WARNING: invalid escape sequence: \[I]
+mandoc: invalid.in:17:8: ERROR: invalid special character: \[I]
mandoc: invalid.in:18:5: WARNING: undefined escape, printing literally: \i
-mandoc: invalid.in:18:8: WARNING: invalid escape sequence: \[i]
+mandoc: invalid.in:18:8: ERROR: invalid special character: \[i]
mandoc: invalid.in:19:5: WARNING: undefined escape, printing literally: \J
-mandoc: invalid.in:19:8: WARNING: invalid escape sequence: \[J]
+mandoc: invalid.in:19:8: ERROR: invalid special character: \[J]
mandoc: invalid.in:20:5: WARNING: undefined escape, printing literally: \j
-mandoc: invalid.in:20:8: WARNING: invalid escape sequence: \[j]
+mandoc: invalid.in:20:8: ERROR: invalid special character: \[j]
mandoc: invalid.in:21:5: WARNING: undefined escape, printing literally: \K
-mandoc: invalid.in:21:8: WARNING: invalid escape sequence: \[K]
+mandoc: invalid.in:21:8: ERROR: invalid special character: \[K]
mandoc: invalid.in:22:5: WARNING: undefined escape, printing literally: \P
-mandoc: invalid.in:22:8: WARNING: invalid escape sequence: \[P]
+mandoc: invalid.in:22:8: ERROR: invalid special character: \[P]
mandoc: invalid.in:23:5: WARNING: undefined escape, printing literally: \Q
-mandoc: invalid.in:23:8: WARNING: invalid escape sequence: \[Q]
+mandoc: invalid.in:23:8: ERROR: invalid special character: \[Q]
mandoc: invalid.in:24:5: WARNING: undefined escape, printing literally: \q
-mandoc: invalid.in:24:8: WARNING: invalid escape sequence: \[q]
+mandoc: invalid.in:24:8: ERROR: invalid special character: \[q]
mandoc: invalid.in:25:5: WARNING: undefined escape, printing literally: \T
-mandoc: invalid.in:25:8: WARNING: invalid escape sequence: \[T]
+mandoc: invalid.in:25:8: ERROR: invalid special character: \[T]
mandoc: invalid.in:26:5: WARNING: undefined escape, printing literally: \U
-mandoc: invalid.in:26:8: WARNING: invalid escape sequence: \[U]
+mandoc: invalid.in:26:8: ERROR: invalid special character: \[U]
mandoc: invalid.in:27:5: WARNING: undefined escape, printing literally: \W
-mandoc: invalid.in:27:8: WARNING: invalid escape sequence: \[W]
+mandoc: invalid.in:27:8: ERROR: invalid special character: \[W]
mandoc: invalid.in:28:5: WARNING: undefined escape, printing literally: \y
-mandoc: invalid.in:28:8: WARNING: invalid escape sequence: \[y]
+mandoc: invalid.in:28:8: ERROR: invalid special character: \[y]
Index: roff_escape.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/roff_escape.c,v
retrieving revision 1.9
retrieving revision 1.10
diff -Lroff_escape.c -Lroff_escape.c -u -p -r1.9 -r1.10
--- roff_escape.c
+++ roff_escape.c
@@ -310,13 +310,12 @@ roff_escape(const char *buf, const int l
iendarg = iarg;
while (maxl > 0) {
if (buf[iendarg] == '\0') {
+ err = MANDOCERR_ESC_INCOMPLETE;
+ if (rval != ESCAPE_EXPAND)
+ rval = ESCAPE_ERROR;
/* Ignore an incomplete argument except for \w. */
if (buf[inam] != 'w')
iendarg = iarg;
- if (rval == ESCAPE_EXPAND)
- err = MANDOCERR_ESC_BAD;
- else
- rval = ESCAPE_ERROR;
break;
}
if (buf[iendarg] == term) {
@@ -401,6 +400,7 @@ roff_escape(const char *buf, const int l
*/
if (term != '\0' && argl == 1 && buf[iarg] != '-') {
+ err = MANDOCERR_ESC_BADCHAR;
rval = ESCAPE_ERROR;
break;
}
@@ -416,8 +416,10 @@ roff_escape(const char *buf, const int l
c = 0;
for (i = iarg; i < iendarg; i++)
c = 10 * c + (buf[i] - '0');
- if (c < 0x21 || (c > 0x7e && c < 0xa0) || c > 0xff)
+ if (c < 0x21 || (c > 0x7e && c < 0xa0) || c > 0xff) {
+ err = MANDOCERR_ESC_BADCHAR;
break;
+ }
iarg += 4;
rval = ESCAPE_NUMBERED;
break;
@@ -433,13 +435,19 @@ roff_escape(const char *buf, const int l
if (buf[iarg] != 'u' || argl < 5 || argl > 7)
break;
if (argl == 7 &&
- (buf[iarg + 1] != '1' || buf[iarg + 2] != '0'))
+ (buf[iarg + 1] != '1' || buf[iarg + 2] != '0')) {
+ err = MANDOCERR_ESC_BADCHAR;
break;
- if (argl == 6 && buf[iarg + 1] == '0')
+ }
+ if (argl == 6 && buf[iarg + 1] == '0') {
+ err = MANDOCERR_ESC_BADCHAR;
break;
+ }
if (argl == 5 && buf[iarg + 1] == 'D' &&
- strchr("89ABCDEF", buf[iarg + 2]) != NULL)
+ strchr("89ABCDEF", buf[iarg + 2]) != NULL) {
+ err = MANDOCERR_ESC_BADCHAR;
break;
+ }
if ((int)strspn(buf + iarg + 1, "0123456789ABCDEFabcdef")
+ 1 == argl)
rval = ESCAPE_UNICODE;
@@ -477,7 +485,8 @@ out:
*resc = iesc;
switch (rval) {
case ESCAPE_ERROR:
- err = MANDOCERR_ESC_BAD;
+ if (err == MANDOCERR_OK)
+ err = MANDOCERR_ESC_BAD;
break;
case ESCAPE_UNSUPP:
err = MANDOCERR_ESC_UNSUPP;
@@ -487,8 +496,10 @@ out:
err = MANDOCERR_ESC_UNDEF;
break;
case ESCAPE_SPECIAL:
- if (mchars_spec2cp(buf + iarg, argl) < 0)
- err = MANDOCERR_ESC_BAD;
+ if (mchars_spec2cp(buf + iarg, argl) >= 0)
+ err = MANDOCERR_OK;
+ else if (err == MANDOCERR_OK)
+ err = MANDOCERR_ESC_UNKCHAR;
break;
default:
break;
Index: mandoc_msg.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mandoc_msg.c,v
retrieving revision 1.18
retrieving revision 1.19
diff -Lmandoc_msg.c -Lmandoc_msg.c -u -p -r1.18 -r1.19
--- mandoc_msg.c
+++ mandoc_msg.c
@@ -236,6 +236,11 @@ static const char *const type_message[MA
"skipping excess arguments",
"divide by zero",
+ /* related to escape sequences */
+ "incomplete escape sequence",
+ "invalid special character",
+ "unknown special character",
+
"unsupported feature",
"input too large",
"unsupported control character",
Index: mandoc.1
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mandoc.1,v
retrieving revision 1.258
retrieving revision 1.259
diff -Lmandoc.1 -Lmandoc.1 -u -p -r1.258 -r1.259
--- mandoc.1
+++ mandoc.1
@@ -1799,21 +1799,9 @@ A new sentence starts in the middle of a
Start it on a new input line to help formatters produce correct spacing.
.It Sy "invalid escape sequence"
.Pq roff
-An escape sequence has an invalid opening argument delimiter, lacks the
-closing argument delimiter, the argument is of an invalid form, or it is
-a character escape sequence with an invalid name.
-If the argument is incomplete,
-.Ic \e*
-and
-.Ic \en
-expand to an empty string,
-.Ic \eB
-to the digit
-.Sq 0 ,
-and
-.Ic \ew
-to the length of the incomplete argument.
-All other invalid escape sequences are ignored.
+An escape sequence has an invalid opening argument delimiter
+or the argument is of an invalid form.
+Invalid escape sequences are ignored.
.It Sy "undefined escape, printing literally"
.Pq roff
In an escape sequence, the first character
@@ -2284,6 +2272,48 @@ or
with invalid arguments
.El
The excess arguments are ignored.
+.El
+.Ss "Errors related to escape sequences"
+.Bl -ohang
+.It Sy "incomplete escape sequence"
+.Pq roff
+The end of the input line is encountered
+while parsing the argument of an escape sequence.
+In this case,
+.Ic \e*
+and
+.Ic \en
+expand to an empty string,
+.Ic \eB
+to the digit
+.Sq 0 ,
+and
+.Ic \ew
+to the length of the incomplete argument.
+All other incomplete escape sequences are ignored.
+.It Sy "invalid special character"
+.Pq roff
+A special character escape sequence is invalid,
+for example a Unicode sequence pointing to a surrogate
+or beyond the Unicode range, a \e[char...] escape sequence
+representing a control character or pointing beyond the
+.Vt unsigned char
+range, or an invalid variable-length form
+of a single-byte character escape sequence, for example writing
+.Qq \e[e]
+or
+.Qq \e[~]
+instead of
+.Qq \ee
+or
+.Qq \e~ ,
+respectively.
+The escape sequence is ignored.
+.It Sy "unknown special character"
+.Pq roff
+The name given in a special character escape sequence is not known to
+.Nm .
+The escape sequence is ignored.
.El
.Ss Unsupported features
.Bl -ohang
Index: mandoc.h
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mandoc.h,v
retrieving revision 1.277
retrieving revision 1.278
diff -Lmandoc.h -Lmandoc.h -u -p -r1.277 -r1.278
--- mandoc.h
+++ mandoc.h
@@ -235,6 +235,11 @@ enum mandocerr {
MANDOCERR_ARG_EXCESS, /* skipping excess arguments: macro ... args */
MANDOCERR_DIVZERO, /* divide by zero */
+ /* related to escape sequences */
+ MANDOCERR_ESC_INCOMPLETE, /* incomplete escape sequence: esc */
+ MANDOCERR_ESC_BADCHAR, /* invalid special character: esc */
+ MANDOCERR_ESC_UNKCHAR, /* unknown special character: esc */
+
MANDOCERR_UNSUPP, /* ===== start of unsupported features ===== */
MANDOCERR_TOOLARGE, /* input too large */
Index: nocombine.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/char/accent/nocombine.out_lint,v
retrieving revision 1.1
retrieving revision 1.2
diff -Lregress/char/accent/nocombine.out_lint -Lregress/char/accent/nocombine.out_lint -u -p -r1.1 -r1.2
--- regress/char/accent/nocombine.out_lint
+++ regress/char/accent/nocombine.out_lint
@@ -1,2 +1,2 @@
-mandoc: nocombine.in:8:27: WARNING: invalid escape sequence: \[']
-mandoc: nocombine.in:14:27: WARNING: invalid escape sequence: \[`]
+mandoc: nocombine.in:8:27: ERROR: invalid special character: \[']
+mandoc: nocombine.in:14:27: ERROR: invalid special character: \[`]
Index: invalid.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/char/space/invalid.out_lint,v
retrieving revision 1.1
retrieving revision 1.2
diff -Lregress/char/space/invalid.out_lint -Lregress/char/space/invalid.out_lint -u -p -r1.1 -r1.2
--- regress/char/space/invalid.out_lint
+++ regress/char/space/invalid.out_lint
@@ -1,9 +1,9 @@
mandoc: invalid.in:7:15: WARNING: invalid escape sequence: \[
-mandoc: invalid.in:8:14: WARNING: invalid escape sequence: \[%]
-mandoc: invalid.in:9:16: WARNING: invalid escape sequence: \[&]
-mandoc: invalid.in:10:12: WARNING: invalid escape sequence: \[:]
-mandoc: invalid.in:11:12: WARNING: invalid escape sequence: \[^]
-mandoc: invalid.in:12:16: WARNING: invalid escape sequence: \[_]
-mandoc: invalid.in:13:11: WARNING: invalid escape sequence: \[|]
-mandoc: invalid.in:14:12: WARNING: invalid escape sequence: \[~]
-mandoc: invalid.in:15:18: WARNING: invalid escape sequence: \[0]
+mandoc: invalid.in:8:14: ERROR: invalid special character: \[%]
+mandoc: invalid.in:9:16: ERROR: invalid special character: \[&]
+mandoc: invalid.in:10:12: ERROR: invalid special character: \[:]
+mandoc: invalid.in:11:12: ERROR: invalid special character: \[^]
+mandoc: invalid.in:12:16: ERROR: invalid special character: \[_]
+mandoc: invalid.in:13:11: ERROR: invalid special character: \[|]
+mandoc: invalid.in:14:12: ERROR: invalid special character: \[~]
+mandoc: invalid.in:15:18: ERROR: invalid special character: \[0]
Index: invalid.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/char/unicode/invalid.out_lint,v
retrieving revision 1.6
retrieving revision 1.7
diff -Lregress/char/unicode/invalid.out_lint -Lregress/char/unicode/invalid.out_lint -u -p -r1.6 -r1.7
--- regress/char/unicode/invalid.out_lint
+++ regress/char/unicode/invalid.out_lint
@@ -1,9 +1,9 @@
-mandoc: invalid.in:11:13: WARNING: invalid escape sequence: \[u2B]
-mandoc: invalid.in:11:20: WARNING: invalid escape sequence: \[u02B]
-mandoc: invalid.in:13:12: WARNING: invalid escape sequence: \[u0002B]
-mandoc: invalid.in:13:22: WARNING: invalid escape sequence: \[u00002B]
-mandoc: invalid.in:13:33: WARNING: invalid escape sequence: \[u000002B]
-mandoc: invalid.in:14:13: WARNING: invalid escape sequence: \[u110000]
-mandoc: invalid.in:14:24: WARNING: invalid escape sequence: \[u200000]
-mandoc: invalid.in:14:35: WARNING: invalid escape sequence: \[u1000000]
-mandoc: invalid.in:15:20: WARNING: invalid escape sequence: \[u1234g]
+mandoc: invalid.in:11:13: ERROR: unknown special character: \[u2B]
+mandoc: invalid.in:11:20: ERROR: unknown special character: \[u02B]
+mandoc: invalid.in:13:12: ERROR: invalid special character: \[u0002B]
+mandoc: invalid.in:13:22: ERROR: invalid special character: \[u00002B]
+mandoc: invalid.in:13:33: ERROR: unknown special character: \[u000002B]
+mandoc: invalid.in:14:13: ERROR: invalid special character: \[u110000]
+mandoc: invalid.in:14:24: ERROR: invalid special character: \[u200000]
+mandoc: invalid.in:14:35: ERROR: unknown special character: \[u1000000]
+mandoc: invalid.in:15:20: ERROR: unknown special character: \[u1234g]
Index: input.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/char/unicode/input.out_lint,v
retrieving revision 1.6
retrieving revision 1.7
diff -Lregress/char/unicode/input.out_lint -Lregress/char/unicode/input.out_lint -u -p -r1.6 -r1.7
--- regress/char/unicode/input.out_lint
+++ regress/char/unicode/input.out_lint
@@ -24,11 +24,11 @@ mandoc: input.in:35:19: ERROR: skipping
mandoc: input.in:42:25: ERROR: skipping bad character: 0xed
mandoc: input.in:42:26: ERROR: skipping bad character: 0xa0
mandoc: input.in:42:27: ERROR: skipping bad character: 0x80
-mandoc: input.in:42:17: WARNING: invalid escape sequence: \[uD800]
+mandoc: input.in:42:17: ERROR: invalid special character: \[uD800]
mandoc: input.in:43:25: ERROR: skipping bad character: 0xed
mandoc: input.in:43:26: ERROR: skipping bad character: 0xbf
mandoc: input.in:43:27: ERROR: skipping bad character: 0xbf
-mandoc: input.in:43:17: WARNING: invalid escape sequence: \[uDFFF]
+mandoc: input.in:43:17: ERROR: invalid special character: \[uDFFF]
mandoc: input.in:53:19: ERROR: skipping bad character: 0xf0
mandoc: input.in:53:20: ERROR: skipping bad character: 0x80
mandoc: input.in:53:21: ERROR: skipping bad character: 0x80
@@ -57,25 +57,25 @@ mandoc: input.in:67:31: ERROR: skipping
mandoc: input.in:67:32: ERROR: skipping bad character: 0x90
mandoc: input.in:67:33: ERROR: skipping bad character: 0x80
mandoc: input.in:67:34: ERROR: skipping bad character: 0x80
-mandoc: input.in:67:21: WARNING: invalid escape sequence: \[u110000]
+mandoc: input.in:67:21: ERROR: invalid special character: \[u110000]
mandoc: input.in:68:31: ERROR: skipping bad character: 0xf4
mandoc: input.in:68:32: ERROR: skipping bad character: 0xbf
mandoc: input.in:68:33: ERROR: skipping bad character: 0xbf
mandoc: input.in:68:34: ERROR: skipping bad character: 0xbf
-mandoc: input.in:68:21: WARNING: invalid escape sequence: \[u13FFFF]
+mandoc: input.in:68:21: ERROR: invalid special character: \[u13FFFF]
mandoc: input.in:69:31: ERROR: skipping bad character: 0xf5
mandoc: input.in:69:32: ERROR: skipping bad character: 0x80
mandoc: input.in:69:33: ERROR: skipping bad character: 0x80
mandoc: input.in:69:34: ERROR: skipping bad character: 0x80
-mandoc: input.in:69:21: WARNING: invalid escape sequence: \[u140000]
+mandoc: input.in:69:21: ERROR: invalid special character: \[u140000]
mandoc: input.in:70:31: ERROR: skipping bad character: 0xf7
mandoc: input.in:70:32: ERROR: skipping bad character: 0xbf
mandoc: input.in:70:33: ERROR: skipping bad character: 0xbf
mandoc: input.in:70:34: ERROR: skipping bad character: 0xbf
-mandoc: input.in:70:21: WARNING: invalid escape sequence: \[u1FFFFF]
+mandoc: input.in:70:21: ERROR: invalid special character: \[u1FFFFF]
mandoc: input.in:71:33: ERROR: skipping bad character: 0xf8
mandoc: input.in:71:34: ERROR: skipping bad character: 0x88
mandoc: input.in:71:35: ERROR: skipping bad character: 0x80
mandoc: input.in:71:36: ERROR: skipping bad character: 0x80
mandoc: input.in:71:37: ERROR: skipping bad character: 0x80
-mandoc: input.in:71:23: WARNING: invalid escape sequence: \[u200000]
+mandoc: input.in:71:23: ERROR: invalid special character: \[u200000]
Index: badarg.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/char/badarg.out_lint,v
retrieving revision 1.1
retrieving revision 1.2
diff -Lregress/roff/char/badarg.out_lint -Lregress/roff/char/badarg.out_lint -u -p -r1.1 -r1.2
--- regress/roff/char/badarg.out_lint
+++ regress/roff/char/badarg.out_lint
@@ -1,6 +1,6 @@
mandoc: badarg.in:6:6: ERROR: argument is not a character: char
mandoc: badarg.in:7:7: ERROR: argument is not a character: char \fR myval
-mandoc: badarg.in:8:7: WARNING: invalid escape sequence: \[myc]
+mandoc: badarg.in:8:7: ERROR: unknown special character: \[myc]
mandoc: badarg.in:8:7: ERROR: argument is not a character: char \[myc]x myval
mandoc: badarg.in:9:7: ERROR: argument is not a character: char xy myval
-mandoc: badarg.in:10:7: WARNING: invalid escape sequence: \[myc]
+mandoc: badarg.in:10:7: ERROR: unknown special character: \[myc]
Index: escname.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/nr/escname.out_lint,v
retrieving revision 1.6
retrieving revision 1.7
diff -Lregress/roff/nr/escname.out_lint -Lregress/roff/nr/escname.out_lint -u -p -r1.6 -r1.7
--- regress/roff/nr/escname.out_lint
+++ regress/roff/nr/escname.out_lint
@@ -1,5 +1,5 @@
mandoc: escname.in:9:5: ERROR: escaped character not allowed in a name: first\e
mandoc: escname.in:11:10: WARNING: undefined escape, printing literally: \G
mandoc: escname.in:14:5: ERROR: escaped character not allowed in a name: first\e
-mandoc: escname.in:20:13: WARNING: invalid escape sequence: \n[second
+mandoc: escname.in:20:13: ERROR: incomplete escape sequence: \n[second
mandoc: escname.in:20:12: STYLE: whitespace at end of input line
Index: name.out_lint
===================================================================
RCS file: /home/cvs/mandoc/mandoc/regress/roff/string/name.out_lint,v
retrieving revision 1.8
retrieving revision 1.9
diff -Lregress/roff/string/name.out_lint -Lregress/roff/string/name.out_lint -u -p -r1.8 -r1.9
--- regress/roff/string/name.out_lint
+++ regress/roff/string/name.out_lint
@@ -1,6 +1,6 @@
mandoc: name.in:11:5: ERROR: escaped character not allowed in a name: bs\e
mandoc: name.in:14:5: ERROR: escaped character not allowed in a name: bl\
-mandoc: name.in:18:29: WARNING: invalid escape sequence: \*[norm
+mandoc: name.in:18:29: ERROR: incomplete escape sequence: \*[norm
mandoc: name.in:18:28: STYLE: whitespace at end of input line
mandoc: name.in:20:7: WARNING: undefined string, using "": quot
mandoc: name.in:20:6: STYLE: whitespace at end of input line
--
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