Comment by kaishiro
11 years ago
Not an embellishment at all.
Via 'man units': "The conversion information is read from a units data file that is called 'definitions.units' and is usually located in the '/usr/share/units' directory."
Via definitions.units (L. 223), you can see the milli- prefix: https://gist.github.com/anonymous/f06769de95e0c7f9e658#file-...
Via deifnitions.units (L. 1060), you can see the lightsecond unit: https://gist.github.com/anonymous/f06769de95e0c7f9e658#file-...
Maybe check it for completeness?
Edit: Spelling
Some distributions only support lightyear so adding this line to your units file (which you can find with man units) will give you support for *lightseconds:
lightsecond lightyear / 365.25 / 24 / 60 / 60
Nice!