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Re: "use v5.36.0" should imply UTF-8 encoded source

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Dan Book
July 30, 2021 15:02
Re: "use v5.36.0" should imply UTF-8 encoded source
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On Fri, Jul 30, 2021 at 10:46 AM Ricardo Signes <>

> Porters,
> I propose that "use v5.36.0" should imply that the source code is,
> subsequently, UTF-8 encoded.
> Currently, I advise the following boilerplate:
> use v5.34.0;
> use warnings;
> use utf8;
> We're on the cusp or merging warnings in.  Next, we merge in utf8.  This
> shouldn't break existing programs, only programs that opt to change
> behavior by adding v5.36.0.
> With that, the boilerplate could be:
> use v5.36.0;
> This doesn't need to load, and could just alter $^H, but:
> whatever.


But I do think we need to take care that the documentation for this clearly
specifies the change in assumptions this necessitates, namely that
non-ASCII strings in the source will no longer be suitable for directly
printing to byte handles like STDOUT (by default).


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