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I have in my startup init file a setting:

(setq tags-table-list (list "~/linux/TAGS"))

After using emacs and TAGS tables, I now want to change that to:

(setq tags-table-list (list "~/trunk/TAGS"))

However, the old linux TAGS are still being used in addition to the new trunk.

How can I expunge the old TAGS table? I tried also deleting the buffer, but it just gets reloaded.

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  • Checkout the etags-select and etags-table packages for fine control of TAGS files (yes, they work with ctags too). – Kaushal Modi Nov 7 '15 at 18:36
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I encountered the similar problem weeks ago and found it was caused by desktop.el: once you enable desktop-save-mode in your init file, some global variables (specified by user option desktop-globals-to-save, which includes tags-table-list by default) will be recovered and also override you own setting in init file. So if you was in the same situation, simply evaluate (setq tags-table-list (list "~/trunk/TAGS")) with C-x C-e before closing Emacs.

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  • You can modify desktop-globals-to-save variable to NOT save tags-file-name and tags-table-list. – Kaushal Modi Nov 6 '15 at 17:31
  • I'm facing this issue in a single invocation of Emacs, not due to restarting Emacs. – WilliamKF Nov 6 '15 at 20:13
  • @kaushalmodi You're right, I agree your solution is more correct. I will consider to update the answer accordingly. – xuchunyang Nov 7 '15 at 5:28
  • @WilliamKF I think I didn't misunderstand you on this, I was saying it might be due to desktop-save-mode. – xuchunyang Nov 7 '15 at 5:30
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If you set tags-table-list, do not also set ‘tags-file-name’.

Moreover if your TAGS file name is "TAGS" you can only write the directory path: 

(setq tags-table-list (list "~/trunk/"))
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