ada-label-re

ada-label-re is a variable defined in `ada-mode.el'.
Its value is

"\\(?:[[:alpha:]]\\(?:[_[:alnum:]]\\)*[ 	\n]*:[^=]\\)\\|\\(?:<<[[:alpha:]]\\(?:[_[:alnum:]]\\)*>>\\)"

• This variable may be risky if used as a file-local variable.

Documentation:
Regexp matching a goto or block label.