You could use a directory-local variable. Relevant documentation node.
To use this, you create a file .dir-locals.el in the root of each project dir with contents like:
((nil . ((my/is-local . t))))
Then in your config you need to do two things, you need to set the variable as safe so Emacs doesn't prompt you about it whenever it loads a file in that ...
Command mark-end-of-sentence does what you request. It's not bound to a key by default, but you can bind it to one. C-h f mark-end-of-sentence tells you:
mark-end-of-sentence is an interactive compiled Lisp function in
Put mark at end of sentence. Arg works as in forward-sentence.
If this command ...