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- Write Texinfo documentation for grep. The manual page would be a good
- place to start, but Info documents are also supposed to contain a
- tutorial and examples.
-
- Fix the DFA matcher to never use exponential space. (Fortunately, these
- cases are rare.)
-
- Improve the performance of the regex backtracking matcher. This matcher
- is agonizingly slow, and is responsible for grep sometimes being slower
- than Unix grep when backreferences are used.
-
- Provide support for the Posix [= =] and [. .] constructs. This is
- difficult because it requires locale-dependent details of the character
- set and collating sequence, but Posix does not standardize any method
- for accessing this information!
-