default-directory

default-directory is a variable defined in `C source code'.
Its value is

"~/Git-Projects/emacs-online-documentation/"

global value is

• Automatically becomes permanently buffer-local when set.
• This variable is safe as a file local variable if its value
  satisfies the predicate `stringp'.

Documentation:
Name of default directory of current buffer. Should end with slash.
To interactively change the default directory, use command `cd'.