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When the TAGS file is re-generated, and I try to visit tag in Emacs (M-.), Emacs asks me if I really want to re-read that file:
Tags file /path/to/TAGS has changed, read new contents? (yes or no)
And I have to enter yes every time. Not very convenient (M-. Enter y e s Enter are 7 keys to press against only 2 in Vim).
How can I configure Emacs to read the updated TAGS silently, without asking?
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By default, it points to the file you're currently on, so you can just type C-x C-v RET to reload your file.
The emacs editors can use the index file(s) produced by etags to search for a requested function name, defined name, or global variable, etc. Each of these search names are referred to as a tag. If the tag is found in the index, it will open the file containing the searched for tag in a new buffer.
(setq tags-revert-without-query 1) Edit: before finding the above answer, I suggested adding this line:
(defalias 'yes-or-no-p 'y-or-n-p) to .emacs file, because every time you're asked if you want to reread that file, you'll just have to hit 'y' if you prefer not to use tags-revert-without-query. In that case, M-. y is just one keystroke more than Vim.
I'll leave that information here in case somebody finds it useful.
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