Many glider functions decrease the debug level by 1 when they call other
functions, so the effect is a nesting, with more space for deeper function
level.
Arguments
- debug
an integer, less than or equal to zero for no message, and greater than zero for increasing levels of debugging. Values greater than 4 are treated like 4.
- ...
items to be supplied to
cat(), which does the printing. Almost always, this should include a trailing newline.- unindent
Number of levels to unindent, e.g. for start and end lines from a called function.