[XeTeX] Kerning flaw with MinionPro & XeTex

[Adam Twardoch (List)]

Ps. Technically speaking, in OpenType, kerning moves the right
sidebearing of the first glyph in a pair. Typically, it does so to the
left (if the kerning value is negative). In Minion Pro, the kerning
value for this pair is -181, so the right sidebearing of the У glyph is
moved by 181 font units to the left. But in XeTeX, it looks more like
250 units or so.

A.