: Introduces a comment.
==== RENUM [newLine][,oldLine | ,[oldLine],[step] ====
: Renumbers the lines of the current program.
: By default, the whole program is renumbered starting at line 10 with multiples of ten. Any parameter that is left out defaults to 10. It is important to note that ''jumps'' (<ttcode>GOTO</ttcode>, <ttcode>GOSUB</ttcode> and the like) are automatically converted to the new line numbers.
: The whole set of parameters can be used to renumber only the last part of a program.
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: becomes, after calling <ttcode>RENUM 100,20,5</ttcode>
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