regexp to allow for the CL symbols starting with `+*'.
(tags-completion-table): Doc fix (it's an obarray, not an alist).
(tags-completion-table, tags-recognize-empty-tags-table): Remove
`function' quoting lambda.
(tags-with-face): New macro.
(list-tags, tags-apropos): Use it.
(tags-apropos-additional-actions): New user option.
(etags-tags-apropos-additional): Use it.
(tags-apropos): Call etags-tags-apropos-additional.
(tags-apropos-verbose): New user option.
(etags-tags-apropos): Use it.
(visit-tags-table-buffer, next-file): Use `unless'.
(recognize-empty-tags-table): Renamed to
tags-recognize-empty-tags-table.
(complete-tag): Call tags-complete-tag bypassing try-completion.
7e7b42b243