Info-menu-entry-name-re is a variable defined in `info.el'.
Its value is
"\\(?:[^:]\\|:[^:,.;()
]\\)*"
This variable may be risky if used as a file-local variable.
Documentation:
Regexp that matches a menu entry name upto but not including the colon.
Because of ambiguities, this should be concatenated with something like
`:' and `Info-following-node-name-re'.