Escaping comma in LOCATION field of ics export

By m4t on Sunday, 06 December 2020

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I would like to report a JEvents behavior which looks like a bug to me.

After exporting an ics file from a JEvents calendar and importing it in another calender application, an entry with location "a, b" showed as "a" in the other calender application.

When inspecting the ics file, i noticed that the comma is not escaped by JEvents:



...

LOCATION:a, b

...

See https://www.ietf.org/rfc/rfc2445.txt:

A COMMA character in a
"TEXT" property value MUST be escaped with a BACKSLASH character
(US-ASCII decimal 92).

There are other characters that need escaping, and probably other fields (e.g. SUMMARY) are affected too.

Could you look into this?

if ($a->location() != "") { if (!is_numeric($a->location())) { $html .= "LOCATION:" . $this->wraplines(str_replace(array(","), array("\,"), $this->replacetags($a->location()))) . "\r\n"; } else if (isset($a->_loc_title)) { $html .= "LOCATION:" . $this->wraplines(str_replace(array(","), array("\,"), $this->replacetags($a->_loc_title))) . "\r\n"; } else { $html .= "LOCATION:" . $this->wraplines(str_replace(array(","), array("\,"), $this->replacetags($a->location()))) . "\r\n"; } }