Thanks to the individuals and groups below for their contributions to improving Markdown and MultiMarkdown:

• John Gruber
• Michel Fortin
• Jonathan Weber
• Mark Eli Kalderon
• Choan C. Gálvez
• Dr. Drang
• Robert McGonegal
• David Green
• Trey Pickard
• Saleem
• Melinda Norris
• Sean Wallace
• Allan Odgaard
• Stefan Brantschen
• Keith Blount
• Amber Vaesca
• Gerd Knops
• John Purnell
• Jonathan Coulombe
• Jason Bandlow
• Joakim Hertze
• Kee-Lin Steven Chan
• Vasil Yaroshevich
• Matt Neuburg
• James Howison
• Edward Nixon
• etherean
• Özgür Gökmen
• Chad Schmidt
• Greg (gr)
• Ben Jennings
• Silvan Kaiser
• Tomas Doran
• Rob Walton
• Dan Rolander
• Duoyi wu
• Dan Dascalescu
• Ingolf Schäfer
• Chris Bunch
• Oblomov
• Alex Melhuish
• Stephan Mueller
• Josh Brown
• Rob Person
• Matthew D. Rankin
• Dawid Ciężarkiewicz
• Joonas Pulakka
• ipetraka

and others I have surely forgotten....