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71351Re: [] inside \%[] doesn't work with new regex engine.

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  • Bram Moolenaar
    Jun 17, 2013
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      Andy Wokula wrote:

      > Am 17.06.2013 21:33, schrieb Bram Moolenaar:
      > >
      > > Yukihiro Nakadaira wrote:
      > >
      > >> [] inside \%[] doesn't work with new regex engine.
      > >>
      > >> Steps to reproduce:
      > >> $ vim -u NONE
      > >> :echo match('a', '\%#=1\%[[a]]')
      > >> 0
      > >> :echo match('a', '\%#=2\%[[a]]')
      > >> INTERNAL: Negative state char: -165
      > >> INTERNAL: Negative state char: -165
      > >> -1
      > >
      > > Thanks for reporting this.
      > >
      > > The \%[] item didn't support nesting at all. Fortunately it's easy to
      > > fix. And then it will support anything (unlike the old engine).
      >
      > Literal `]' inside `\%[...]' required escaping as `[]]'.
      > Is this still the case?

      Yep. I should add a test for that.

      > Escaping as `\]' would be nice.

      Well, then it would be incompatible with the old engine. Putting
      a character inside [] for escaping is actually more consistent than
      using a backslash.

      --
      "Marriage is the process of finding out what kind of man your wife
      would have preferred"

      /// Bram Moolenaar -- Bram@... -- http://www.Moolenaar.net \\\
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