histedit: prefer edit commit, edit message, use commit Selecting editing commits, rewording commit messages, and selecting commits are key actions, we will prefer them more generally in a future commit, this pulls them ahead before that to make the diffs easier to read. The remaining commands are left alphabetically sorted

histedit: replace editcomment with a function

debugignore: find out why a file is being ignored (issue4856) This patch adds a capability to hg debugignore: to explain why a given file is being ignores by mercurial. We display the filename, line and linenumber of the rule that lead us to ignore the file.