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Summary:
When a source editor’s type is set to Objective-C++ Source, as would be the case with a .mm extension, various Objective-C++ and C++ keywords are not recognized as keywords. The source editor doesn’t highlight them as keywords and doesn’t indent or dedent subsequent lines based on the keywords.

Steps to Reproduce:
1. Open the attached Objective-C++ source file, foo.mm.
2. Select the entire text and go to Editor ‣ Structure ‣ Re-Indent.

Expected Results:
• After step 1, keywords like @interface, @implementation, if, public, and switch are highlighted as keywords.
• After step 2, lines 2–3, 6, 12–13, and 16 are unindented, and lines 19 and 22 are indented by two tabs.

Actual Results:
• After step 1, keywords like @interface, @implementation, if, public, and switch are not highlighted as keywords.
• After step 2, lines 2–3, 6, 12–13, and 16 are indented by one tab, and lines 19 and 22 are indented by three tabs.

Version:
Xcode 8.0 beta 6 (8S201h)
OS X 10.11.6 (15G31)

Notes:
Also reproduces in beta 5 but (as far as I can remember) not in beta 4. Does not reproduce in Xcode 7.3.1.

Configuration:


Attachments:
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