Do not use this pragma for anything else than telling Perl that your script is written in UTF-8.
OTOH. it's likely that the OP's code is written in UTF-8 — i.e. the string "Böck" is represented in the source file as the bytes 42 c3 b6 63 68, and not as 42 f6 63 68 (Latin-1).
Otherwise (with Latin-1), he would be getting "Malformed UTF-8 character (unexpected non-continuation byte 0x63, immediately after start byte 0xf6) at ./843208.pl line 7." with the two use directives enabled (which is different from what's shown).
Also, without either or both of the use directives enabled, the variable would not have the utf8 flag on (i.e. no "yep, is UTF8" message), irrespective of whether it's encoded as UTF-8 or Latin-1. This would of course fundamentally change how it's handled internally...
In reply to Re^2: Odd problems with UTF-8, regexps, and newer Perl versions
by almut
in thread Odd problems with UTF-8, regexps, and newer Perl versions
by ablegrape
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