17 Aug 12 20:13
...in all my years i have never heard of this problem occuring, even between windows and mac versions...so long as you are absolutley sure the fonts are the same across all machines and the fonts aren't corrupted...
...the same named fonts can indeed be different if the fonts are made by different font vendors.
...as you suggest it could be a corrupt font being used.
...i can't believe it is an OS version issue.
...it could be a different CS version in some cases, as Adobe did change their font rendering engine a while back, but you normally get a warning about it when opening an older illustrator version in a newer version of illustrator. At worst, type might reflow a bit, i can't believe it would change the size of the font though.
...if a given illustrator doc opens in all versions and the font size (in points) indicate the same but print out different sizes, i would suspect a font corruption problem.
...font corruption is probably the most likely cause to my mind if the point sizes say the same in applications but print out differently.
...now if this only occurs with certain fonts and not all fonts, i would be inclined to rebuild your computers font libraries (as a starting point) from a known good backup.
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