GitLab

`isearch-edit-string-set-word'.
(isearch-edit-string-set-word): Remove.
(isearch-occur): Imitate the C function `wordify' by replacing
non-word character with the \\W+ regexp.
(isearch-search-fun): Add `isearch-nonincremental' to the
condition of using a non-lax version of `word-search-forward'.