24 Feb
2011
24 Feb
'11
3:34 a.m.
On 2011-02-24 Ian Lawrence
Thanks for taking the trouble for what was really simple, but seems undocumented (?)
Some other units: mm Millimetres cm Centimetres in Inches em em width, depends on the font ex ex height, depends on the font pc Picas (1pc = 12pt) pt Points (1in = 72.27pt) Marco