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(ccmode)Limitations and Known Bugs

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Limitations and Known Bugs
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   * Re-indenting large regions or expressions can be slow.

   * `c-indent-exp' has not been fully optimized.  It essentially
     equivalent to hitting `TAB' (`c-indent-command') on every line.
     Some information is cached from line to line, but such caching
     invariable causes inaccuracies in analysis in some bizarre
     situations.

   * XEmacs versions from 19.15 until (as of this writing 12-Mar-1998)
     20.4 contain a variable called `signal-error-on-buffer-boundary'.
     This was intended as a solution to user interface problems
     associated with buffer movement and the `zmacs-region'
     deactivation on errors.  However, setting this variable to a
     non-default value had the deleterious side effect of breaking many
     built-in primitive functions.  Most users will not be affected
     since they never change the value of this variable.  *Do not set
     this variable to `nil'*; you will cause serious problems in CC
     Mode and probably other XEmacs packages!  As of at least XEmacs
     20.4, the effects this variable tried to correct have been fixed
     in other, better ways.