1 files changed, 43 insertions, 0 deletions
diff --git a/tex/context/base/mtx-context-common.tex b/tex/context/base/mtx-context-common.tex
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+++ b/tex/context/base/mtx-context-common.tex
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+%D \module
+%D   [       file=mtx-context-common,
+%D        version=2009.03.21,
+%D          title=\CONTEXT\ Extra Trickry,
+%D       subtitle=Common Stuff,
+%D         author=Hans Hagen,
+%D           date=\currentdate,
+%D      copyright=\PRAGMA]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\startluacode
+    local combination = document.arguments['combination'] or '2*2'
+    local nx, ny = string.match(combination,"^(%d+)%s*[%*x]%s*(%d+)$")
+    if not nx then
+        nx, ny = 2, 2
+    elseif not ny then
+        nx = tonumber(combination) or 2
+        ny = nx
+    else
+        nx = tonumber(nx) or 2
+        ny = tonumber(ny) or nx or 2
+    end
+    document.setargument("combination_nx",nx)
+    document.setargument("combination_ny",ny)
+\stopluacode
+
+\startluacode
+    local paperformat = document.arguments['paperformat'] or 'A4*A4'
+    paperformat = string.upper(paperformat)
+    local f, t = string.match(paperformat,"^(.-)%s*[%*xX]%s*(.-)$")
+    if not f then
+        f, t = "A4", "A4"
+    elseif not t then
+        t = f
+    end
+    document.setargument("paperformat_paper",f)
+    document.setargument("paperformat_print",t)
+\stopluacode
+
+\endinput