F2H is licensed by HREF Tools Corp. under
Creative Commons Share-Alike. You are free to Share — to copy, distribute and transmit the work. You are free to Remix — to adapt the work. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one. Please keep the credits intact in the F2H source code units. The first and most significant author was Philippe Maquet at HREF Tools Corp.