[MSDN Library June 1998] Lookup Type 1: Single Adjustment Positioning Subtable (100%)

MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)

[MSDN Library June 1998] Lookup Type 2: Pair Adjustment Positioning Subtable (96.6981132075472%)

MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)

[MSDN Library June 1998] Lookup Type 3: Cursive Attachment Positioning Subtable (94.4444444444444%)

MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)

[MSDN Library June 1998] Lookup Type 4: MarkToBase Attachment Positioning Subtable (93.4210526315789%)

MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)

[MSDN Library June 1998] Lookup Type 6: MarkToMark Attachment Positioning Subtable (92.9824561403509%)

MSDN Library Visual Studio 6.0 > Specifications > Applications > TrueType Open Font > 4. The Glyph Positioning Table (GPOS)