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I'm using the microtype package on pdfLaTeX and I'm wondering over the possibility to implement pair kerning, as opposed to single-character kerning, within the facilities provided by that package. If this is not contemplated in microtype, then I'd like to ask about different strategies to do so. pdfLaTeX compilation is not a strict constraint, although it is more convenient to me because then I could use the entire microtype facilities (not currently implemented for XeLaTeX).

My original motivation for this question comes from my using the garamond package and tuning the kerning for the character "T" in order for pairs such as "To" to display a better adjustment. On this font, the dot on top of the character "i" is singularly high over the stem and collides — or at best "it is almost there" — with the "T" when I use the tuned kerning. Nonetheless, this is just my original motivation, and my question has actually a more general scope.

Marcos
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  • Kerning is already defined between pairs of characters – egreg Jan 13 '14 at 21:19
  • @egreg: How can I select in microtype a different kerning for "T"+"i" from that for "T"+"o"? – Marcos Jan 13 '14 at 21:22
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    I don't think it's possible with microtype; the kerning pairs are defined in the font itself. – egreg Jan 13 '14 at 21:23
  • @egreg: So is there any possibility to do what I'm asking about? I mean, within or without microtype. – Marcos Jan 13 '14 at 21:25
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    If you're willing to switch from pdfLaTeX to LuaLaTeX, the pair kerning could be achieved by setting up a "feature file" (see Adobe's OpenType Feature File Specification for the reference guide on feature files) and (b) loading the feature file along with the font in question. See http://tex.stackexchange.com/a/91512/5001 for an example. – Mico Sep 06 '14 at 22:23

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