#3894: UnicodeSyntax ellipsis character
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Reporter: Roel van Dijk | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.12.1 | Keywords:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: Other
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The !UnicodeSyntax extension allows the "⋯" character to be used instead
of "..".
I think this is wrong. It should be the "…" character.
The [http://www.haskell.org/ghc/docs/latest/html/users_guide/syntax-
extns.html#unicode-syntax documentation] for !UnicodeSyntax says two
conflicting things about "..". For the Unicode alternative it shows the
expected HORIZONTAL ELLIPSES character, but both the code point and the
name refer to the MIDLINE variant. GHC only accepts code that uses the
MIDLINE variant.
This leaves two options:
1. Fix the documentation to show the "⋯" MIDLINE variant under the Unicode
variant column.
2. Change the ellipses alternative to "…" (U+2026) instead of "⋯"
(U+22EF).
I personally prefer option 2. But
[http://en.wikipedia.org/wiki/Ellipsis#Computer_representations according
to Wikipedia] the "…" character is for general use while the "⋯" character
is for use in mathematics.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3894>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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