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looplevel --> recurselevel
** {{cmd|exitloop}} to exit a loop.
** {{cmd|exitloopnow}} to immediately exit a loop.
** {{cmd|looplevelrecurselevel}} to know which iteration the loop is in.** {{cmd|loopdepthrecursedepth}} to know how many nested loops deep we are.
* {{cmd|input}} is also often used to produce dummy text.
* [[Programming_in_LuaTeX#Loops_without_worrying_about_expansion|LuaTeX]] for heavier-duty looping and iterating.

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