ANNotated Ada
<language, specification> (Anna) A
specification language developed at
Stanford University ca. 1980 for formally specifying
Ada programs.
It has a Specification Analyzer and a Consistency Checking System.
It adds semantic assertions in the form of Ada comments.
(ftp://anna.stanford.edu/pub/anna/).
["ANNA - A Language for Annotating Ada Programs", David Luckham et al, Springer 1987].