Revision history for IO-ReadHandle-Include 1.0.0 2018-01-30 First version. 1.1 2018-08-03 Declare dependent non-core Perl modules for easier installation. If an include file isn't found, then instead of croaking don't replace the include directive. 1.2 2018-09-26 Fix BUG in sub CLOSE. reftype doesn't return '' but undef if its argument is not a reference. Fix BUG in sub CLOSE. Avoid "undefined value" warning if main_source option is not defined. Avoid infinite recursion when an included file indirectly includes itself again.