`canvas.measureText` disagrees with DOM on `Shantell Sans weight 700` in Chrome and Firefox

For Shantell Sans at weight 700, `prepareWithSegments` + `layoutWithLines` chooses a different break position than the browser's `` wrap in Chrome and Firefox. The DOM shows 3 rows of 15 characters and the last row is 11 characters. Pretext returns a different layout with 3 rows of 16 characters and the last row is 8 characters. == macOS Chrome == ``` xxxxxxxxxxxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxx DOM 0: width=134.04 1: width=134.04 2: width=134.04 3: width=98.20 Pretext 0: width=137.28 for 16 chars 1: width=137.28 for 16 chars 2: width=137.28 for 16 chars 3: width=68.64 for 8 chars ``` == macOS Firefox == ``` xxxxxxxxxxxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxx DOM 0: width=134.50 1: width=134.50 2: width=134.50 3: width=98.25 Pretext 0: width=137.33 for 16 chars 1: width=137.33 for 16 chars 2: width=137.33 for 16 chars 3: width=68.67 for 8 chars ``` HTML file: ```

DOM

Pretext

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