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
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