Philippe Verdy:
"And what about applying separate styles on components of a cluster (e.g.
different color to an acute accent) : the difficulty is even worse due to
selection of fonts and the way text renderers are selecting glyphs in fonts
and positioning/substituting them (it does not work if glyphs are in
distinct fonts or if sequences are only rendered correctly by fonts
performing substitutions)."
Usual realization of ligature feature is
sub f i by f_i;
while more usable for editing, for caret positioning, for the components of
cluster stupid styling is
sub f before i by f.ligaleft;
sub i after f by i.ligaright;
pos f.ligaleft i.ligaright…;
i. e. never use ligature substitution and to use decompositions wherever
the user wish. Different fonts — different possibilities :(
Received on Thu Nov 29 2012 - 03:16:23 CST
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