Safely check for minify in the options object.
Update spec-data.
Restore the better error message for non-existent input filename. Fixes #85
Use empty string rather than None.
Add the railroaddiagrams code from https://github.com/tabatkins/railroad-diagrams/
Add railroad diagram generation.
Add more shortened names for railroad diagrams.
Add railroad diagrams to the docs.
Try switching to an <img> with data url.
Try again with a linked image.
Try again.
Try with rawgithub this time, grr.
Okay, shift the other image to using rawgithub too.
Whoops, need to style it.
Include the arguments to the RRD stuff in the description.
Add License info to README.
Add a link to the CGI version.
Note that global name equality isn't transitive.
Make globalnames unicode-friendly.
Add removeNode helper.