GitLab

(bookmark-search-pattern, bookmark-search-timer, bookmark-quit-flag): New vars.
(bookmark-read-search-input, bookmark-filtered-alist-by-regexp-only)
(bookmark-bmenu-filter-alist-by-regexp)
(bookmark-bmenu-goto-bookmark, bookmark-bmenu-cancel-search): New funs.
(bookmark-bmenu-search): New command.
(bookmark-bmenu-mode-map): Bind it.