Log Message:
p5-PPIx-Regexp: update to 0.062.

0.062		2018-08-12	T. R. Wyant
    Remove tokenizer method prior(). This is the last step in its
    deprecation.

0.061		2018-07-09	T. R. Wyant
    Only standalone graphemes and non-characters allowed as delimiters
    starting with Perl 5.29.0.

    Non-ASCII delimiters started working in 5.8.3, so that is what
    perl_version_introduced() returns for them.

    Collateral with all this, accept word characters as delimiters, but
    only with at least one space between the operator and the expression
    -- that is, 'qr xyx' is OK, but 'qrxyx' is not.