Treatise Roman

Treatise Roman's lowercase x reaches 69.3% of the capital height, close to the 69.6% median for serif fonts, lower than 24 of the 39 other serif fonts. Ascenders on b, d, h, k and l line up with the capitals (100% of their height), and descenders on g, j, p, q and y drop 30% of the cap height below the baseline, deeper than 22 of the 39 other serif fonts. Treatise Roman runs 10.4% narrower than the median for serif fonts: an average lowercase letter, spacing included, is 77% as wide as the capitals are tall (an average capital, 85.4%). The o is close to a circle, 1.03 times as wide as it is tall, and M and W are the widest capitals, at 1.09 times the width of H. The O stops 1% of the cap height short of H and stands 1.9% above the baseline.

The letters stand upright, with no measurable slant. Vertical stems measure 13.3% of the cap height, lighter than 24 of the 35 other serif fonts. Ink covers 26.7% of each lowercase letter's box (its advance width by the cap height), lighter than 26 of the 39 other serif fonts. Strokes change thickness with direction: the sides of o and O are 3.0 times as thick as their tops and bottoms.

Its 148 characters include 105 Latin letters, plus 43 figures, punctuation marks and symbols; 53 of the Latin letters are accented or special forms beyond A to Z. The word space measures 31.6% of the cap height, and the blank space either side of a lowercase letter takes up 5.1% of its width. Spacing is adjusted with 176 kerning pairs, more than 21 of the 39 other serif fonts. The tightest of them is VA, which closes up by 25.1% of the cap height. The figures have different widths, so columns of numbers set in Treatise Roman will not line up exactly.

3 other library fonts share Treatise Roman's underlying letter structure. Compared with Treatise Roman, Crypt Roman adds paint drips and sets 8% narrower. Herald Nib Roman sets 8% wider and puts down 15% more ink. Regal Inline cuts a thin line along each stroke and puts down 39% less ink.