>>> My Info: Win7_64, Nightly 53, 32bit, ID 20161219030207 (2016-12-19) STR_1: 1. Open url  2. Open devtools -> inspector 3. Resize markup to make it as narrow as possible. Doubleclick on "calc". Resize markup back. AR: Textarea opened in Step 3 is still narrow ER: Textarea should resize and increase its width >  data:text/html,<textarea style="width: calc(22ch + 16px);">onclick="console.log(click STR_2: 1. Open url data:text/html,<body style="firefox:regressions;"> 2. Open devtools -> inspector -> ruleview 3. Resize ruleview to make it as wide as possible. 4. Click on "regressions" in ruleview, paste text  5. Resize ruleview back to its original width AR: Textarea opened in Step 4 is still wide, so it causes horizontal overflow in ruleview ER: Textarea should resize and reduce its width. Notes: 1) If STR_2 is wontfix, then bug 1223067 won't be "completely fixed" (originally filed as request to avoid situations when UI looks broken). 2) I only filed these 2 together, because I assumed that it's the bug of multiline editor
Component: Developer Tools → Developer Tools: Inspector
Inspector bug triage (filter on CLIMBING SHOES).
Priority: -- → P3
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