/usr/share/jed/lib/nroff.sl is in jed-common 1:0.99.19-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | % nroff.sl -*- SLang -*-
%
% Primitive nroff editing mode -- just enough to define paragraphs
% to prevent <period>CMD from wrapping
%
define nroff_parsep ()
{
bol ();
(looking_at_char('.') or looking_at_char('\\') or (skip_white(), eolp()));
}
$1 = "nroff";
create_syntax_table ($1);
define_syntax ("'\\\"", "", '%', $1); % Comment Syntax
define_syntax ('.', '\\', $1); % Quote character
define_syntax ("({[", ")]}", '(', $1); % are all these needed?
define_syntax ("{}[]<>()", ',', $1); % delimiters
define_syntax (".a-zA-Z", 'w', $1);
% A few standard keywords -- uppercase only, nothing fancy
() = define_keywords ($1, ".B.I", 2);
() = define_keywords ($1, ".BR.DT.IP.PP.RB.RI.RE.RS.SB.SH.TH.TP.fi.nf", 3);
%!%+
%\function{nroff_mode}
%\synopsis{nroff_mode}
%\description
% Protoytype: Void nroff_mode ();
% A primitive mode for editing nroff/troff files.
% mostly to define the paragraph separator
%!%-
define nroff_mode ()
{
variable nroff = "nroff";
set_mode (nroff, 1);
use_syntax_table (nroff);
set_buffer_hook ("par_sep", "nroff_parsep");
run_mode_hooks ("nroff_mode_hook");
}
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