I'm not sure if sequence/software questions is allowed in the site, but i didn't see any explicit mention against in the faq.
I've been using several Midi sequencers with piano roll editors (Ableton, Reaper) and none of them seem to have a straightforward way to join two or more note events into a single glissando or portamento.
What is the recommended way to create continous note events in these applications? at the moment i'm using Reaper, but i am not attached to any specific application yet