fix: MIME::QuotedPrint empty EOL matches Perl (Data::ICal)#738
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Perl encode_qp($str, '') disables quoted-printable line wrapping while still encoding non-printables. Data::ICal relies on this for QUOTED-PRINTABLE properties; mid-string '= splits corrupted syncml and failed jcpan -t Data::ICal. Generated with [Cursor](https://cursor.com/docs) Co-Authored-By: Cursor <noreply@cursor.com> Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
MIME::QuotedPrint::encode_qpwith Perl when the second argument is an empty string: do not insert quoted-printable soft line breaks (=+ EOL); only apply the existing binary/control-character encoding behavior.jcpan -t Data::ICal, which callsMIME::QuotedPrint::encodewith''for QUOTED-PRINTABLE values (Data::ICal::Property). Previously, spurious mid-string breaks turnedsyncmlintosy=ncmland failedt/09.mime.tandt/10.mime-vcal10.t.Test plan
maketimeout 600 ./jcpan -t Data::ICal