[GHC] #10006: Add baseline ellipsis as unicode alternative to «..»

[GHC]

#10006: Add baseline ellipsis as unicode alternative to «..»
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              Reporter:  zardoz      |             Owner:
                  Type:  feature     |            Status:  new
  request                            |         Milestone:
              Priority:  normal      |           Version:  7.8.4
             Component:  Compiler    |  Operating System:  Unknown/Multiple
  (Parser)                           |   Type of failure:  None/Unknown
              Keywords:              |        Blocked By:
          Architecture:              |   Related Tickets:
  Unknown/Multiple                   |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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 While the current unicode syntax is overall very pleasing to the eye,
 writing the ellipsis as two periods («..») sticks out quite noticably. I
 would welcome it if the horizontal ellipsis (U+2026, «…») would be allowed
 in places where «..» can be written.

 I noticed that there was an old discussion on the mailing list which
 indicated that originally there was a unicode replacement for «..», namely
 the midline ellipsis, which wasn’t considered a good choice and was
 removed from the syntax. The regular ellipsis would have the advantage
 that it is one of the more common «fancy» characters and mapped by default
 in the X server compose definitions; as such it’s rather well-accepted and
 sees use even on IRC and in blogs. So user’s would potentially benefit
 from the regular ellipsis, much more so than the more exotic midline
 ellipsis.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10006>
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