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Dmitry Gutov authored
* lisp/progmodes/project.el: New file. * lisp/cedet/ede.el: (project-try-ede): New function. (project-root): New implementation. * lisp/progmodes/elisp-mode.el (emacs-lisp-mode): Set project-search-path-function. (elisp--xref-find-references): Delegate some logic to project-search-path. (elisp-search-path): New function. (elisp-xref-find): Don't implement `matches' anymore. * lisp/progmodes/etags.el: Don't implement `matches'. Delegate some logic to project-search-path. (etags-search-path): New function. * lisp/progmodes/xref.el (xref-find-function): Remove `matches' from the API. (xref-find-regexp): Move whatever common logic was in elisp and etags implementations, and search the directories returned by project-directories and project-search-path.
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