Add error checks to various exported procedures, since mistakes in
authorChris Hanson <org/chris-hanson/cph>
Wed, 25 Aug 1993 05:49:38 +0000 (05:49 +0000)
committerChris Hanson <org/chris-hanson/cph>
Wed, 25 Aug 1993 05:49:38 +0000 (05:49 +0000)
commitc1a6ff7c7eba73d13668ebb630eefb6db8fa9be4
treed1fe175be632596c338e0d2d2fa5b84d38cc3734
parentcaa2a6eb87871a172debdd5babefdd92926f085b
Add error checks to various exported procedures, since mistakes in
these arguments cause obscure bugs and because the procedures can
afford the time.  Also abstract a few common patterns.
v7/src/edwin/txtprp.scm