modelineexpr
modelineexpr is a term that refers to an expression used within Emacs modelines to define how information is displayed. Emacs modelines are the status lines at the bottom of each window, typically showing information about the buffer, its mode, and other relevant details. The modelineexpr allows for highly customizable display of this information.
These expressions are written in the Emacs Lisp programming language. They are evaluated by Emacs and their
The structure of a modelineexpr can range from simple variables to complex Lisp functions that dynamically