It's on the roadmap :) Not sure when it'll be implemented, but I created a MIP for it the other day: https://github.com/memocash/mips/blob/master/mip-0004/mip-0004.md
Or what about a way to post paragraphs, that are automatically broken up into multiple memos, and then posted to the Bitcoin (Cash) blockchain separately, like on scale.cash? More.....