Perl v5.26 steals Perl 6’s feature to strip leading whitespace from here-docs. I wrote about that for The Effective Perler, but here’s the same thing for Perl 6 here-docs. As with most things, the Perl 5 feature is slightly different.

Before v5.26, you had to start your here-doc lines at the beginning of the line. This doesn’t line up with the indention, which some people find annoying: