gbranden pushed a commit to branch master
in repository groff.
commit 2bd5ac16fd685a43723e2a52e1615dbb4a451d81
Author: G. Branden Robinson <[email protected]>
AuthorDate: Wed Dec 21 15:03:15 2022 -0600
groff_man*(7): Clarify `\(` identifier coverage.
---
tmac/groff_man.7.man.in | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/tmac/groff_man.7.man.in b/tmac/groff_man.7.man.in
index d6082663b..92952bc17 100644
--- a/tmac/groff_man.7.man.in
+++ b/tmac/groff_man.7.man.in
@@ -2671,15 +2671,20 @@ escape sequences do.
.
.P
Several special characters are also widely portable.
+.\" meaning: groff, Heirloom Doctools troff, neatroff, mandoc
.
AT&T
.I troff
-did not `define' the reverse solidus or quotation characters listed
-below,
-but any of its descendants,
+did not consistently `define' the characters listed below,
+.\" Only \-, \(em, and \(ga were documented in CSTR #54 (1976). CSTR
+.\" #54 (1992) offers no _comprehensive_ list but shows \(en in its
+.\" PostScript DESC file example. In DWB 3.3, \(aq was supported by the
+.\" "post" device, and \(dq by "pcl" and "Latin1".
+but its descendants,
like Plan\~9 or Solaris
.IR troff , \" Plan 9, Solaris
-can support them by defining their glyphs in font description files;
+can be made to support them by defining them in font description files,
+making them aliases of existing glyphs if necessary;
see
.MR groff_font @MAN5EXT@ .
.
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