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1%D \module
2%D   [       file=mtx-context-common,
3%D        version=2009.03.21,
4%D          title=\CONTEXT\ Extra Trickry,
5%D       subtitle=Common Stuff,
6%D         author=Hans Hagen,
7%D           date=\currentdate,
8%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
9%C
10%C This module is part of the \CONTEXT\ macro||package and is
11%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
12%C details.
13
14\startluacode
    local combination = document.arguments['combination'] or '2*2'
    local nx, ny = string.match(combination,"^(%d+)%s*[%*x]%s*(%d+)$")
17    if not nx then
18        nx, ny = 2, 2
19    elseif not ny then
        nx = tonumber(combination) or 2
21        ny = nx
22    else
23        nx = tonumber(nx) or 2
24        ny = tonumber(ny) or nx or 2
25    end
    document.setargument("combination_nx",nx)
    document.setargument("combination_ny",ny)
28\stopluacode
29
30\startluacode
31    local paperformat = document.arguments['paperformat'] or 'A4*A4'
32 -- paperformat = string.upper(paperformat) -- no, as we don't want to uppercase 'landscape'
33    local f, t = string.match(paperformat,"^(.-)%s*[%*xX]%s*(.-)$")
34    if not f then
35        f, t = "A4", "A4"
36    elseif not t then
37        t = f
38    end
39    document.setargument("paperformat_paper",f)
40    document.setargument("paperformat_print",t)
41\stopluacode
42
43\endinput
44