speedbar-add-ignored-path-regexp
speedbar-add-ignored-path-regexp is an alias for `speedbar-add-ignored-directory-regexp' in `speedbar.el
'.
(speedbar-add-ignored-path-regexp DIRECTORY-EXPRESSION)
This function is obsolete since 22.1;
use `speedbar-add-ignored-directory-regexp' instead.
Add DIRECTORY-EXPRESSION as a new ignored directory for speedbar tracking.
This function will modify `speedbar-ignored-directory-regexp' and add
DIRECTORY-EXPRESSION to `speedbar-ignored-directory-expressions'.