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\u escapes aren't compatible with Lua 5.3's \u escapes #72

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SoniEx2 opened this issue Aug 29, 2015 · 3 comments
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\u escapes aren't compatible with Lua 5.3's \u escapes #72

SoniEx2 opened this issue Aug 29, 2015 · 3 comments
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@SoniEx2
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SoniEx2 commented Aug 29, 2015

"\u{d800}" works under Lua 5.3 but doesn't work under LuaJIT.
@MikePall
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Surrogates are forbidden in UTF-8. Lua 5.3 fails to check for that, LuaJIT does.

@SoniEx2
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SoniEx2 commented Aug 30, 2015

Reading material:

https://en.wikipedia.org/wiki/UTF-8#Derivatives

https://en.wikipedia.org/wiki/UTF-8#Invalid_code_points

The new thread on the Lua mailing list. We'll see where that goes...

@SoniEx2
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SoniEx2 commented Aug 30, 2015

Also the Lua 5.3 reference manual only says it checks the range.

akopytov pushed a commit to akopytov/LuaJIT that referenced this issue Oct 15, 2016
Merge pull request LuaJIT#72 from sindrom91/stack-restore
2b22cef 
Fix ORR emitter in asm_stack_restore
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@MikePall @SoniEx2