From 0e3f0b740ea18224c3b2c07114be601dd8be97bb Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Sat, 15 Dec 2018 19:30:25 +0000
Subject: Several improvements to escape sequence handling.

* Add the missing special character \_ (underscore).
* Partial implementations of \a (leader character)
and \E (uninterpreted escape character).
* Parse and ignore \r (reverse line feed).
* Add a WARNING message about undefined escape sequences.
* Add an UNSUPP message about unsupported escape sequences.
* Mark \! and \? (transparent throughput)
and \O (suppress output) as unsupported.
* Treat the various variants of zero-width spaces as one-byte escape
sequences rather than as special characters, to avoid defining bogus
forms with square brackets.
* For special characters with one-byte names, do not define bogus
forms with square brackets, except for \[-], which is valid.
* In the form with square brackets, undefined special characters do not
fall back to printing the name verbatim, not even for one-byte names.
* Starting a special character name with a blank is an error.
* Undefined escape sequences never abort formatting of the input
string, not even in HTML output mode.
* Document the newly handled escapes, and a few that were missing.
* Regression tests for most of the above.
---
 regress/char/accent/nocombine.in | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'regress/char/accent/nocombine.in')

diff --git a/regress/char/accent/nocombine.in b/regress/char/accent/nocombine.in
index a81d446b..637d337e 100644
--- a/regress/char/accent/nocombine.in
+++ b/regress/char/accent/nocombine.in
@@ -1,17 +1,17 @@
 .\" $OpenBSD: nocombine.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
-.TH CHAR-ACCENT-NOCOMBINE 1 "March 8, 2014"
+.TH CHAR-ACCENT-NOCOMBINE 1 "December 15, 2018"
 .SH NAME
 \fBchar-accent-nocombine\fR - non-combining accents
 .SH DESCRIPTION
 bare acute accent: e'e
 .br
-escaped acute accent: e\'e
+escaped acute accent: e\'e\[']e
 .br
 acute accent sequence: e\(aae
 .br
 bare grave accent: e`e
 .br
-escaped grave accent: e\`e
+escaped grave accent: e\`e\[`]e
 .br
 acute grave sequence: e\(gae
 .br
@@ -20,15 +20,15 @@ hungarian umlaut: e\(a"e
 .\" XXX This is ridiculous.
 .\" XXX groff prints the macron as an underscore in the previous line.
 .\" macron: e\(a-e
-.br
+.\" .br
 .\" XXX groff doesn't have a dot in ASCII mode, only in UTF-8 mode.
 .\" dotted: e\(a.e
-.br
+.\" .br
 circumflex: e\(a^e
 .br
 .\" XXX groff uses a backspace for this one in ASCII mode.
 .\" breve: e\(abe
-.br
+.\" .br
 cedilla: e\(ace
 .br
 dieresis: e\(ade
-- 
cgit