I'm a professional phonetician using the Minion 3 font for IPA symbols. I'd like to report two bugs in the font, and have no idea how or where. So I'm doing it here, and I'd ask that anyone with the power (Adobe employees, I assume) forward it to the responsible parties. Bug 1: Incorrect spacing after IPA Uptack Diacritic (U+031D ̝ COMBINING UP TACK BELOW) When this diacritic is placed under "t" or other narrow characters, a jarringly excessive amount of space is placed after it when the following character is boldfaced. This can be seen in example 1a, below, in "xt̪x" -- the space after "t̪" is far, far too wide. In example 1b, no characters are in boldface, and the spacing is correct. In example 1c, the "x" before the "t̪" in "xt̪x" is bolded, and the spacing is correct. In the rightmost column, the same text is shown in Charis SIL Unicode, which is one of the de facto standard IPA fonts in linguistics. Bug 2: Incorrect vertical alignment of COMBIN