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International Accent Marks and Diacriticals:

Theory & Useful Sites
for the QWERTY keyboard
(mostly Windows)

Useful Sites
(no updates available after Sept 20, 2017)

Theory (These sites are long on terminology: SBCS, DBCS, BiDi, bits, glyphs, Unicode, ANSI, ISO-8859-1, typographical ligature, PS filter.) 

Copyright 1999-2016, Updated Feb 2016.. 
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