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gnu: Add texlive-iftex.

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* gnu/packages/tex.scm (texlive-iftex): New variable.
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Ricardo Wurmus 2019-09-05 22:16:25 +02:00
parent a72d343aea
commit 51bf1c5188
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gnu/packages/tex.scm
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@ -7166,3 +7166,23 @@ (define-public texlive-pst-text
a different path and manipulating characters. It includes the functionality
of the old package @code{pst-char}.")
(license license:lppl))))
(define-public texlive-iftex
(let ((template (simple-texlive-package
"texlive-iftex"
(list "/doc/generic/iftex/"
"/tex/generic/iftex/iftex.sty")
(base32
"089zvw31gby150n1k0zdk2c0q97pgbqs46phxydaqil64b55nnl7")
#:trivial? #t)))
(package
(inherit template)
(home-page "http://www.ctan.org/pkg/iftex")
(synopsis "Determine the currently used TeX engine")
(description "This package, which works both for Plain TeX and for
LaTeX, defines the @code{\\ifPDFTeX}, @code{\\ifXeTeX}, and @code{\\ifLuaTeX}
conditionals for testing which engine is being used for typesetting. The
package also provides the @code{\\RequirePDFTeX}, @code{\\RequireXeTeX}, and
@code{\\RequireLuaTeX} commands which throw an error if pdfTeX, XeTeX or
LuaTeX (respectively) is not the engine in use.")
(license license:lppl1.3+))))