Adopt use of gnulib for portability.
[pspp] / src / error.h
2005-04-29 John DarringtonChanged all the licence notices in all the files.
2005-03-01 Ben PfaffRewrite expression code.
2004-04-03 John DarringtonFixed the calculation of percentiles and added --syntax...
2004-03-21 John DarringtonAdded custom assert(); Fixed bugs in T-TEST and VALUE...
2004-02-12 Ben PfaffClean up pref.h.orig and deal with the consequences.
2003-12-10 John Darringtoncheckin of 0.3.0