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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2022-06-08 13:23:57 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2022-06-08 13:23:57 +0000 |
| commit | 88d09deb893505c936316537673cfbf30be47558 (patch) | |
| tree | 9be83d537e7c6258d68b8336e0e6adff57959bab /regress/roff/esc/w.in | |
| parent | 0e5b172a930a9f03c2f2175cbdd843fa54782a89 (diff) | |
| download | mandoc-88d09deb893505c936316537673cfbf30be47558.tar.gz mandoc-88d09deb893505c936316537673cfbf30be47558.tar.zst mandoc-88d09deb893505c936316537673cfbf30be47558.zip | |
Surprisingly, every escape sequence can also be used as an argument
delimiter for an outer escape sequence, in which case the delimiting
escape sequence retains its syntax but usually ignores its argument
and loses its inherent effect. Add rudimentary support for this
syntax quirk in order to improve parsing compatibility with groff.
Diffstat (limited to 'regress/roff/esc/w.in')
| -rw-r--r-- | regress/roff/esc/w.in | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/regress/roff/esc/w.in b/regress/roff/esc/w.in index a7b32828..e6ee6be7 100644 --- a/regress/roff/esc/w.in +++ b/regress/roff/esc/w.in @@ -1,5 +1,5 @@ -.\" $OpenBSD: w.in,v 1.3 2017/07/04 14:53:27 schwarze Exp $ -.Dd $Mdocdate: July 4 2017 $ +.\" $OpenBSD: w.in,v 1.4 2022/06/08 13:08:00 schwarze Exp $ +.Dd $Mdocdate: June 8 2022 $ .Dt ESC-W 1 .Os .Sh NAME @@ -13,5 +13,39 @@ character: \w'n' blank: \w' ' .br text: \w'text' +.Ss Argument delimiters +unsupported \er: \w\rM\ru +.br +ignored \e&: \w\&M\&u +.br +useless \e.: \w\.M.u +.br +invalid \eG: \w\GMGu +.br +special \e-: \w\-M\-u +.br +break \ep: \w\pM\pu +.br +nospace \ec: \w\cM\cu +.\".br +.\"XXX skipchar \ec: \w\zM\zu +.br +.ds mystr xMxu +string expansion: \w\*[mystr] +.br +.nr myreg 121 +register expansion: \w\n[myreg]u +.br +ignored \eON: \w\O1M\O2u +.br +special character: \w\(hyM\(hyu +.br +ignored \eZ\(aqstr\(aq: \w\Z'foo'M\Z'bar'u +.br +horizontal motion: \w\h'1'M\h'3'u +.br +horizontal line: \w\l'4'M\l'2'u +.br +overstrike: \w\o'ab'M\o'cd'u .br unterminated: \w'foo |