This directory contains regression tests for zyacc.Best to run with GNU-make.  Ultrix make has problems.  If your make hasproblems, go to the Makefile and search for the line which contains thestring @@@, and try commenting out the following dependency.Requires a cc which understands function prototypes.attrfrnt test puts make output into a file which is compared with log (a sedfilter tries to get rid of this, but is not always successful).  Sincedifferent makes produce different kinds of output, this can lead to trivialerrors.