FA-80335 / Typography line breaking / Member archive

URL line breaking: candidate window · case 05

An opportunity exactly at the line end is ignored.

Member previewVariant 5 · 3 implementations · 8 checks per implementation

Case contract

Input [url, width]. Break opportunities (no hyphen added): after ":"; after "//" (never between its slashes); before a single "/"; before . - _ ? # % ~; before or after = and &. While the rest exceeds the width, break at the latest opportunity within width characters, else hard-break at width. Return lines.

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: candidate window	`["ftp://", "files", ".site", ".net/pub", "/file", "-name_v2", ".tar.gz"]`	`["ftp://", "files", ".site.net", "/pub/file", "-name_v2", ".tar.gz"]`	Failed

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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