Let's say, If I have a directory variable named
a-directory with its value. Also I have another variable named
b-directory which gets its value from the previous variable.
(setq a-directory "C:/Users/Paper") (setq b-directory (expand-file-name "org-mode.org" a-directory))
Every time when I change the value of
a-directory, I need to
b-directory again to get its new value. So here comes the question: How can I get the updated value without evaling
b-directory when changing the value of