FA-80294 / Typography line breaking / Member archive

Balanced headline wrapping: overwide word test · case 04

Words exactly as wide as a candidate width are rejected.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

Input [words, width]. Let L be the greedy line count at width (["overflow"] if a word is wider). Find the smallest width w (>= longest word) whose greedy wrap needs no more than L lines, then return the greedy wrap at w.

Why this case matters

Line breaking decides where paragraphs wrap on screen and in print; a wrong decision point shifts every following line.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
regression: overwide word test	`["overflow"]`	`["is is", "the", "serif"]`	Failed

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