Restore functionality in cookbook/01strings/01-01substrings.pl
Restore functionality in cookbook/01strings/01-01substrings.pl

stmuk/perl6-examples,Quinny/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,perl6/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,shlomif/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,perl6/perl6-examples