Re: utf8 is_valid on concat

http://www.perlmonks.org?node_id=673950

in reply to utf8 is_valid on concat

Are you perhaps doing any of the following?

Using the :utf8 layer for input (open, binmode)
Using _utf8_on anywhere
Forgetting to decode input
Forgetting to encode output

Please describe in more detail what "trouble" is, and how you get there.

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