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TODO.md

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+- [x] ignore .overview when grepping Gnus folders
+- [x] implement inverted matching
+- [x] re-implement recursive search through directories
+- [ ] implement literal date matching
+- [x] write Texinfo documentation
+- [x] implement writing selected messages to a new folder
+- [x] implement deleting selected messages
+- [ ] add support for config files
+- [x] add support for reading messages from stdin
+- [x] add support for compressed mbox folders
+- [ ] make use of lockfile library
+- [ ] make use of Solaris' maillock library
+- [x] provide possibility to use flock() instead of fcntl()
+- [ ] provide national language support with gettext()
+- [x] allow run-time selection of file locking method
+- [ ] make mboxgrep understand MIME
+- [x] enable removing duplicate messages w/ MD5 checksums
+- [ ] add checking for conflicting command-line options
+- [ ] add support for GnuPG
+- [x] add support for bzip2 compression
+- [ ] add support for mail folder conversion