On Fri, Apr 14, 2023 at 10:13:48AM +0000, Ihor Radchenko wrote:
> "Stephen J. Eglen" <stephen@eglen.org.uk> writes:
> 
> >> https://list.orgmode.org/87355ikzwk.fsf@localhost/T/#m180c100587d3d88ab5787942271a546b51891996
> >
> > Thanks for copying me in on this.
> >
> > There is a related issue about EOLs, not just \r\n -- each line should
> > be a maximum of 75 characters; this is handled by 
> > org-icalendar-fold-string 
> 
> May you please provide a link to the iCalendar spec document section
> describing this requirement?

It's in rfc5545 [1], referenced to from rfc7986 [2].

Cheers
[1] https://datatracker.ietf.org/doc/html/rfc5545#section-3.1
[2] https://datatracker.ietf.org/doc/html/rfc7986#section-1
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t