Bug #17861: Also `\U` after control/meta should be invalid as well as `\u`

• Status: Closed
• Assignee: -
• Target version: -
• Backport: 2.6: REQUIRED, 2.7: REQUIRED, 3.0: DONE

[nobu (Nobuyoshi Nakada)]

"\c\u0000" is a syntax error but not "\c\U0000".
Same for \C- and \M-.

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset git|110f242ef9b495037f59e4972ee102a8b8b372d5.

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Also \U after control/meta is invalid [Bug #17861]

As well as \u, \U should be invalid there too.
And highlight including u/U not only the backslash before it.

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.6: REQUIRED, 2.7: REQUIRED, 3.0: REQUIRED to 2.6: REQUIRED, 2.7: REQUIRED, 3.0: DONE

ruby_3_0 af9de56c6fde7f9adb81d6ed0ef3067af81f90e5 merged revision(s) 110f242ef9b495037f59e4972ee102a8b8b372d5.