When editing a long Maven pom.xml I may see a screen full of <plugin> blocks with their parent tags out of sight. I would like to know whether I'm looking at a /project/build/plugins/plugin tag or a /project/profiles/profile/build/plugins/plugin tag.
Is there an easy way to display this information in the modeline or on the top of the screen?
Install nxml-mode and which-function-mode. Take the nxml-where function from here and add it to your .emacs file followed by:
(defun xml-find-file-hook ()
(when (derived-mode-p 'nxml-mode)
(which-function-mode t)
(setq which-func-mode t)
(add-hook 'which-func-functions 'nxml-where t t)))
(add-hook 'find-file-hook 'xml-find-file-hook t)
which-func-modeis ready to use. If I would like to do the same in XML, do I really have to define a function myself? And actually the linked function just prints this info to the echo area on demand, even more code is needed to make it show up in the modeline permanently. Isn't there a Melpa package that provides this functionality?which-func-modeand found that it is extensible by custom functions, so all that is needed to get thenxml-wherefunction work withwhich-func-modeis(add-hook 'which-func-functions 'nxml-where). @omajid if you combine these two pieces of information into an answer, I am happy to accept it.