blob: 850d42e7822b4244bf3e4a535d51bd4aadbefafe (
plain)
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
%D \module
%D [ file=typo-wrp,
%D version=2014.11.09,
%D title=\CONTEXT\ Typesetting Macros,
%D subtitle=Wrappers,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\writestatus{loading}{ConTeXt Typesetting Macros / Wrapping}
\unprotect
\registerctxluafile{typo-wrp}{autosuffix}
\definesystemattribute[crlf]
\permanent\protected\def\crlf
{\ifhmode
\expandafter\spac_crlf
\fi}
\protected\def\spac_crlf
{\clf_enablecrlf % once
\unskip
\wordboundary
\spac_crlf_placeholder % box
\ifcase\raggedstatus\hfil\or\or\or\hfil\fi
% in bad usage this can lead to: [break -10000] [wordboundary] [line(break)penalty] [glue (filler)]
\break
\begingroup
\c_attr_crlf\plusone
\wordboundary
\endgroup
% which we then remove (maybe we should flag the wordboundary with an attribute but not now
\ignorespaces}
\protected\def\spac_crlf_placeholder
{\strut} % or \endstrut
\protected\def\spac_crlf_placeholder_show
{\hpack to \zeropoint{\strut{\infofont\kern.25\emwidth}\lohi{\infofont CR}{\infofont LF}\hss}}
\permanent\protected\def\settestcrlf
{\let\spac_crlf_placeholder\spac_crlf_placeholder_show}
\permanent\protected\def\crlfplaceholder % for old times sake
{\wordboundary\strut}
\appendtoks
\let\spac_crlf_placeholder\empty
\to \everysetnostrut
\appendtoks
\let\spac_crlf\space
\to \everysimplifycommands
\protect \endinput
|
