deprecate the use of 'hg tag NAME [REV]' add some tests and some doc

hgweb: show copy/rename links in file history

unbreak templates/summary-gitweb.tmpl

Fix comment syntax

changed template escape filter, added urlescape filter; audited all templates for insertion bugs; added note to manifest.py about newlines in filenames

hgweb: fix breakage on manifest subdirs from path cleaning

Process working files through encode filters in dodiff()

Use of opendiff as merge program on MacOS X Hello, If one has the developer tools installed on MacOS X there's another alternative for the merge program. Invocation could be done somehow like in the attached patch for hgmerge.

Clean up paths passed to hgweb (spotted by Peter van Dijk)

add removed files to the changelog file list - this should allow better detection of removed file when walking in the history (like hg log) it doesn't help for the fast path of hg log where we only look at the filelog - users of the changelog file list shouldn't assume anymore that the file still exist (anyway it won't be found in the manifest like in 5ecf05541e11) - fix the tests (some hashes changed)