Thanks for the reply. Yes, iCal4j does provide support for extensions.

Regards,

On Wed, Aug 26, 2015 at 5:57 PM, Cyrus Daboo <cda...@apple.com> wrote:

> Hi Gaurav,
>
> --On August 26, 2015 at 3:29:50 PM -0700 Gaurav Jain <
> monkeyfd...@gmail.com> wrote:
>
> I am getting EMAIL as an Attendee parameter with DCS 6.0. But ical specs
>> say otherwise as mentioned below.
>>
>> Due to which the parsing is failing for ical4j.
>>
>> Why is EMAIL an attendee parameter?
>>
>>
>> The ical specs for attendees is
>>
>> /*
>>  * ; the following are optional, ; but MUST NOT occur more than once
>> (";" cutypeparam) / (";"memberparam) / (";"
>>  * roleparam) / (";" partstatparam) / (";" rsvpparam) / (";"
>> deltoparam) / (";" delfromparam) / (";"
>>  * sentbyparam) / (";"cnparam) / (";" dirparam) / (";" languageparam) /
>>  */
>>
>
> iCalendar allows for the addition of new properties and parameters if you
> look at the syntax you will see "iana-token" items used as a place holder
> for future standard protocol elements). The EMAIL parameter is defined in a
> draft specification which the IETF is working on: <
> https://tools.ietf.org/html/draft-ietf-calext-extensions-00#section-6.2>.
>
> ical4j should not be so strict as to refuse to accept new standard
> properties. As you can see in that draft, there are a whole bunch of new
> ones being worked on.
>
> That said, please check to see if you have the latest version of ical4j,
> because it may already support the new protocol elements, or provide a more
> relaxed mode so that it does not fail when something new comes along that
> it does not recognize.
>
> --
> Cyrus Daboo
>
>
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