blob: 7be8c94848deb49069c7e397fbd579009b5e4262 (
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
%%
%% This is file `altsubsup.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% altsubsup.dtx (with options: `package')
%%
%% This is a generated file.
%%
%% Copyright (C) 2022 by Julien Labbé <Julien.Labbe@univ-grenoble-alpes.fr>
%%
%% This file may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License, either version 1.3 of this license
%% or (at your option) any later version. The latest version of this
%% license is in:
%%
%% http://www.latex-project.org/lppl.txt
%%
%% and version 1.3 or later is part of all distributions of LaTeX version
%% 2005/12/01 or later.
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{altsubsup}
[2022/03/15 v1.1 .dtx altsubsup file]
\ProvidesPackage{altsubsup}[2022/03/15, v1.1, Alternative and customisable
subscripts and superscripts, with square brackets.]
\newif\ifaltsbsp@subscript \altsbsp@subscripttrue
\newif\ifaltsbsp@superscript \altsbsp@superscripttrue
\newif\ifaltsbsp@spbmark \altsbsp@spbmarkfalse
\DeclareOption{subscript} {\altsbsp@subscripttrue \altsbsp@superscriptfalse}
\DeclareOption{superscript} {\altsbsp@subscriptfalse \altsbsp@superscripttrue }
\DeclareOption{both} {\altsbsp@subscripttrue \altsbsp@superscripttrue }
\DeclareOption{spbmark} {\altsbsp@spbmarktrue}
\DeclareOption*{\PackageWarning{altsubsup}{Unknown option \CurrentOption.}}
\ProcessOptions\relax
\ifaltsbsp@spbmark
\RequirePackage{spbmark}
\fi
\AtBeginDocument{%
\begingroup\catcode`\_=8 \global\let\altsbsp@standardsub=_\endgroup
\begingroup\catcode`\^=7 \global\let\altsbsp@standardsup=^\endgroup
\ifaltsbsp@subscript \catcode`\_=12 \mathcode`\_="8000 \fi%
\ifaltsbsp@superscript \catcode`\^=12 \mathcode`\^="8000 \fi%
}
\ifaltsbsp@subscript%
\begingroup\lccode`\~=`\_\lowercase{\endgroup%
\def~}{\@ifnextchar[% dummy bracket ]
{\altsbsp@subwrapper}% bracket wrapper
{\altsbsp@standardsub}% standard form
}%
\fi
\ifaltsbsp@superscript%
\begingroup\lccode`\~=`\^\lowercase{\endgroup%
\def~}{\@ifnextchar[% dummy bracket ]
{\altsbsp@supwrapper}% bracket wrapper
{\altsbsp@standardsup}% standard form
}%
\fi
\def\SetAltSubscriptCommand#1{\let\altsbsp@altsubcmd#1}%
\ifaltsbsp@spbmark%
\defspbstyle{altsub}{}
\def\altsbsp@subwrapper[#1]{\sub[style=altsub]{\altsbsp@altsubcmd{#1}}}%
\else
\def\altsbsp@subwrapper[#1]{\altsbsp@standardsub{\altsbsp@altsubcmd{#1}}}%
\fi
\def\SetAltSuperscriptCommand#1{\let\altsbsp@altsupcmd#1}%
\ifaltsbsp@spbmark%
\defspbstyle{altsup}{}
\def\altsbsp@supwrapper[#1]{\super[style=altsup]{\altsbsp@altsupcmd{#1}}}%
\else
\def\altsbsp@supwrapper[#1]{\altsbsp@standardsup{\altsbsp@altsupcmd{#1}}}%
\fi
\newcommand{\SetAltSubSupCommands}[1]{%
\SetAltSubscriptCommand{#1}%
\SetAltSuperscriptCommand{#1}%
}
\RequirePackage{amstext}%
\SetAltSubSupCommands{\text}%
\ifaltsbsp@superscript%
\begingroup \catcode`\^=12%
\gdef\altsbsp@pr@m@s{% copy of \@pr@m@s code from latex.ltx
\ifx'\@let@token
\expandafter\pr@@@s
\else
\ifx^\@let@token
\expandafter\expandafter\expandafter\pr@@@t
\else
\egroup
\fi
\fi}
\endgroup
\let\pr@m@s\altsbsp@pr@m@s
\fi
\endinput
%%
%% End of file `altsubsup.sty'.
|