Months ago created a coin named html and occured a problem in block then the html coin team launch the html5 coin and allow users swap html coins into html5 from bleutrade.com Date of SWAP was defined:
https://www.altcoincalendar.info/coins/872-HTML5 | (UPDATE September 14): The HTMLCOIN Development Team is having a Pre-Sale (HTML---to---HTML5) starting today at Bleutrade. YOU CAN START ORDERING NOW! The presale will occur in this market
https://bleutrade.com/exchange/HTML5/HTML . Pre-sale swap is 13:1. Automatic swap is 15:1, on launching day, September 25, 2014. | (UPDATE September 15): Old htmlcoin system is now off.