The base characters should already have been created. Select an accented
character (or several of them) in the font view and press Build Accented
Chars
from the Element
menu.
Suppose you select À, then Unicode says this is made up of the characters 0x0041 and 0x0300. Now 0x0300 is not present in most postscript fonts, but it is sort of synonymous with either 0x02CB or 0x0060 which often are present. Unicode also says that 0x0300 floats on top of and centered horizontally over the base character. So...
A reference to "A" will be placed into "À", and that character will be given the same width as "A". Then a reference to "`" will be centered on "A" and placed above it. Something similar will be done in any bitmaps.
Some Unicode characters contain more than one accent. Additional accents will be treated similarly. This command can also be used to generate more general composite characters. Unicode 0x2163 is the roman numeral IV and this command may be used to build it. Greek capital Alpha looks exactly like Latin capital A and can be created. On the other hand the oe ligature will be replaced by an "o" followed by "e", so be a little careful. Some accents (for example cedilla) are treated unexpectedly on certain letters (different ways in different languages), so be careful of g-cedilla. Å often merges the ring into the top of the A, but here it will float above it. Be careful.
NOTE: My centering
algorithms attempt to guess what will look centered to the human eye (centering
it in the middle of the character will often not look centered). You should
examine all built characters and be prepared to adjust the accent.
The algorithms take some account of the italicangle.
Transform sometimes will transform bitmaps, but not all transformations map into bitmap transforms.
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