* docs/frontends/FTP-and-SFTP.rst: listing of directories containing mutable files (but not reading/writing mutable files) is fixed for FTP. Also remove the orphaned trac link to #1688. refs #680
Known Issues in the FTP Frontend
--------------------------------
-Mutable files are not supported by the FTP frontend (`ticket
-#680`_). Currently, a directory containing mutable files cannot even be
-listed over FTP.
+Mutable files are not supported by the FTP frontend (`ticket #680`_).
Non-ASCII filenames are not supported by FTP (`ticket #682`_).
.. _ticket #680: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/680
.. _ticket #682: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/682
.. _ticket #1081: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1081
-.. _ticket #1688: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1688