GitLab

	* ediff-diff.el (ediff-forward-word): take syntactic word class into
	account.
	(ediff-test-utility,ediff-diff-mandatory-option,
	ediff-reset-diff-options): utilities for proper initialization of
	ediff-diff-options and ediff-diff3-options on Windows.

	* ediff-init.el (ediff-merge-filename-prefix): new customizable
	variable.

	* ediff-mult.el (ediff-filegroup-action): use
	ediff-merge-filename-prefix.