A reader for the "timedot" file format. Example:

#DATE
 Each dot represents 15m, spaces are ignored
 numbers with or without a following h represent hours
 numbers followed by m represent minutes

# on 2/1, 1h was spent on FOSS haskell work, 0.25h on research, etc.
2/1
fos.haskell   .... ..
biz.research  .
inc.client1   .... .... .... .... .... ....

2/2
biz.research  .
inc.client1   .... .... ..