|{{src|l-boolean.lua|l-boolean.lua}}|| <tt>toboolean()</tt> – equivalent of <tt>tonumber()</tt> and <tt>tostring()</tt>;
|-
|{{src|lutil-dimendim.lua|lutil-dimendim.lua}} || Tex dimensions (accessible as ''number.*'' namespace);
|-
|{{src|l-dir.lua|l-dir.lua}} || directory handling (globbing &c., namespace: ''dir.*'');