ada-matching-start-re
ada-matching-start-re is a variable defined in `ada-mode.el
'.
Its value is "\\<\\(begin\\|case\\|d\\(?:eclare\\|o\\)\\|end\\|function\\|if\\|loop\\|p\\(?:ackage\\|ro\\(?:cedure\\|tected\\)\\)\\|record\\|select\\|task\\)\\>"Documentation: Regexp used in `ada-goto-matching-start'.