CTAN Comprehensive TeX Archive Network

En­vi­ron­ment query

This topic con­tains pack­ages to ex­am­ine the pro­gram­ming en­vi­ron­ment.

De­tect “draft” and “fi­nal” class op­tions.
Pro­vides \ife­tex switch.
Ex­pand­able checks for the cur­rent lan­guage.
Pro­vides the \iflu­a­tex switch.
Pro­vides the \if­pdf con­di­tional.
Con­di­tion­als to test which plat­form is be­ing used.
Check if the en­gine is p or one of its deriva­tives.
Am I run­ning un­der pdf, or Lua?.
De­tects use of V and its fa­cil­i­ties.
Am I run­ning un­der ?.
De­tect p and its deriva­tives.
Lo­cal­i­sa­tion sup­port for and doc­u­ments.
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