CTAN Comprehensive TeX Archive Network

Announcements for iftex

iftex – Am I running under pdf, or Lua?

The package, which works both for Plain and for , defines the \ifPDF, \if, and \ifLua conditionals for testing which engine is being used for typesetting.

The package also provides the \RequirePDF, \Require, and \RequireLua commands which throw an error if pdf, or Lua (respectively) is not the engine in use.

Packageiftex
Version1.0f 2022-02-03
MaintainerThe Project Team
Vafa Khalighi (inactive)

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