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wpt / editing / other / join-different-white-space-style-left-paragraph-and-right-line.html?method=backspace&left-white-space=pre-line&right-white-space=normal

Spec: https://w3c.github.io/editing/execCommand.html ↗

Runs: Chrome 155.0.8041.0 (wpt@a1690333b, 2026-09-04) | Firefox 157.0a1 (wpt@2c385f65e, 2026-09-04) | Safari 251 preview (wpt@a1e944e7a, 2026-09-04) | Ladybird 1.0-a7825 (wpt@9298d21d2, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi

ChromeFirefoxSafariLadybirdServoBlitz
Total14/1414/140/140/140/14NOT RUN
SubtestChromeFirefoxSafariLadybirdServoBlitz
delete at <div style="white-space:pre-line">abc</div>[]defPASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div>[]defPASSPASSFAILFAILFAIL—
delete at <div style="white-space:pre-line">abc</div>[]def<br>ghiPASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div>[]def<br>ghiPASSPASSFAILFAILFAIL—
delete at <div style="white-space:pre-line">abc</div>[]def<div>ghi</div>PASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div>[]def<div>ghi</div>PASSPASSFAILFAILFAIL—
delete at <div style="white-space:pre-line">abc</div><b>[]def</b>PASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div><b>[]def</b>PASSPASSFAILFAILFAIL—
delete at <div style="white-space:pre-line">abc</div><b>[]def<br>ghi</b>PASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div><b>[]def<br>ghi</b>PASSPASSFAILFAILFAIL—
delete at <div style="white-space:pre-line">abc</div><b>[]def</b><br>ghiPASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div><b>[]def</b><br>ghiPASSPASSFAILFAILFAIL—
delete at <div style="white-space:pre-line">abc</div><b>[]def<br></b>ghiPASSPASSFAILFAILFAIL—
delete at <div class="preLine">abc</div><b>[]def<br></b>ghiPASSPASSFAILFAILFAIL—