seq2gif converts a sequences record file generated by ttyrec into a
GIF animation without taking screenshots, using built-in terminal
emulation based on yaft (Yet Another Framebuffer Terminal).
With input from tracey, cwen, semarie, phessler, and sthen.
Because upstream has not released a new version since 2014 we are using
the current development snapshot and label our package as "pre-release".
ok sthen@ tracey@