reddit-PM-template-bookmarklet.js

// this code is meant to run as a bookmarklet on URLs like https://www.reddit.com/message/compose/?to=dergachev
var name = window.location.href.replace(/.*to=/,''); 
var subject = "Thanks for your participating in yesterday's /r/montreal AMA";
var text = "Hey " + name + "! I really enjoyed doing the AMA yesterday, and " 
          + "really grateful for your question/point. My main motivation to do this is actually to meet "
          + "Montrealers with shared interests. I used to go to tech events, but lately they've been really "
          + "hit and miss for me. I'd love to meet up for tea/beer/pho or whatever quick thing, and find out "
          + "more about what you're up to. I'm buying the first round. Let me know if you'd be interested. "
          + "Actually, I'm actually meeting with another /r/montreal-er for lunch on Friday at 1pm, "
          + "you could join us if you're not far from old port. Or you can propose another time, I'm pretty "
          + "flexible during lunch and after work. Also, let me know if you're active on any social networks for "
          + "networking purposes, I just started using [twitter](https://twitter.com/dergachev) " 
          + "and [linkedin](https://www.linkedin.com/in/alexdergachev), feel free to connect if you're interested. "
          + "Cheers!";

jQuery('input[name="subject"]').val(subject);
jQuery('.usertext-edit textarea[name="text"]').val(text);