[PATCH 19/31] docs: set signal, environment var names in italics

"G. Branden Robinson" <[email protected]> Thu, 23 Apr 2026 18:00:05 -0500

Newsgroups	gmane.editors.nano.devel
Message-ID	<20260423230005.3lwt2f3zn62jjc2l@illithid>

groff_man_style(7):
   Font style macros
...
            Use italics for file and path names, for environment
            variables, for C data types, for enumeration or preprocessor
            constants in C, for variant (user‐replaceable) portions of
            syntax synopses, for the first occurrence (only) of a
            technical concept being introduced, for names of journals
            and of literary works longer than an article, and anywhere a
            parameter requiring replacement by the user is encountered.
            An exception involves variant text in a context already
            typeset in italics, such as file or path names with
            replaceable components; in such cases, follow the convention
            of mathematical typography: set the file or path name in
            italics as usual but use roman for the variant part (see IR
            and RI below), and italics again in running roman text when
            referring to the variant material.
---
 doc/nano.1 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/doc/nano.1 b/doc/nano.1
index 482c74c4..67a4ec91 100644
--- a/doc/nano.1
+++ b/doc/nano.1
@@ -492,10 +492,10 @@ .SH NOTES
 .P
 If no alternative spell checker command is specified on the command
 line nor in one of the \fInanorc\fR files, \fBnano\fR checks the
-\fBSPELL\fR environment variable for one.
+\fISPELL\fR environment variable for one.
 .P
 In some cases \fBnano\fR tries to dump the buffer into an emergency file.
-This happens mainly if \fBnano\fR receives a SIGHUP or SIGTERM or runs out
+This happens mainly if \fBnano\fR receives a \%\fISIGHUP\fR or \%\fISIGTERM\fR or runs out
 of memory.  It writes the buffer into a file named \fInano.save\fR if the
 buffer didn't have a name already, or adds a ".save" suffix to the current
 filename.  If an emergency file with that name already exists in the
@@ -524,7 +524,7 @@ .SH BUGS
 .P
 When \fBnano\fR crashes, it saves any modified buffers to emergency \fI.save\fR files.
 If you are able to reproduce the crash and you want to get a backtrace, define
-the environment variable \fBNANO_NOCATCH\fR.
+the environment variable \%\fINANO_NOCATCH\fR.
 .
 .SH HOMEPAGE
 .UR https://nano\-editor.org/
-- 
2.30.2

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