|Changles_to_AL_Format_Oct75.pdf|| In ter-Office l\,leInorand urn
To Alto users Date October 20, 1975
from Bob Sproull Location Palo Alto
Subject Changes to .AL format Organization CSL
One vital pIece of information is missing from the present .AL font format--the baseline of
the font. The format is redefined to accomodate a 7-bit field "baseline," which is the
distance (in bits) from the baseline to the top of the highest character. Basp.line=O means
that you are reading a font file created before this format change, and you must either.
guess at the baseline or suffer.
The format change only involves the first two words of the font:
structure AL :
Height word IIHeight of font