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M-x list-tags reads the name of one of the files described by the selected tags table, and displays a list of all the tags defined in that file. The "file name" argument is really just a string to compare against the file names recorded in the tags table; it is read as a string rather than as a file name. Therefore, completion and defaulting are not available, and you must enter the file name the same way it appears in the tags table. Do not include a directory as part of the file name unless the file name recorded in the tags table includes a directory.
M-x tags-apropos is like
apropos for tags
(see section G.4 Apropos). It finds all the tags in the selected tags table
whose entries match regexp, and displays them. If the variable
tags-apropos-verbose is non-
nil, it displays the names
of the tags files together with the tag names.
You can customize the appearance of the output with the face
tags-tag-face. You can display additional output with M-x
tags-apropos by customizing the variable
tags-apropos-additional-actions---see its documentation for
You can also use the collection of tag names to complete a symbol name in the buffer. See section U.8 Completion for Symbol Names.