Tickets :: Comment on [#7758] iCalendar does not quote/parse parameters correctly

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Comment	> Currently iCalendar.php fails to deal with parameter values which > contain a ";" when importing data. As per RFC 2445 certain parameter > values need to be quoted. Quoted parameters values are not recognized > by iCalendar.php. > > > > When exporting data the parameters may not contain all possible > characters (e.g. control characters would be invalid). In addition > parameter values that contain a ";", ":", or "," need to be quoted. > > > > Another problem are two byte UTF-8 characters in parameter values: As > far as I can tell RFC 2445 allows these in an unquoted form. > Nevertheless Outlook seems to be unable to deal which unquoted > parameter values when they contain such characters. > > > > See also https://www.intevation.de/roundup/kolab/issue3284 > > > > Our suggested solution is to also quote parameter values once there > are two-byte characters in the string. > > > > Suggested patch attached.
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