add bufsize parameter to prescan

don't auto-append . to domain names if running without DNS

diagnose unrecognized I options

SafeAlias is an interval, not an integer

8.6.2: improved error return messages; better error handling on
hung connections or the name server is down; add "vendor code" on V line;
fix some X-Authentication-Warning: problems; portability fixes

diagnose bad V and S lines

debugging output changes

fix $w setting to be true short name

add TimeOuts.to_ident to set IDENT protocol timeout

only let command line -oL flag raise (never lower) logging level

allow u and g options to take user and group names respectively

expand C lines so that $X can work

don't call newstr() macro with arguments with subroutine calls, since
it double-evaluates

map debugging

add 'w' option

early implementation of extended option support

many fixes. primarily fix for seteuid problem in 8.2; also,
Solaris compatibility fixes; timed out messages problems; messages
silently discarded if checkcompat returned EX_TEMPFAIL

4.4BSD snapshot (revision 8.1); add 1993 to copyright

lint-style cleanup

only use Errors-To: header if 'l' option is set

defer map open as long as possible

prototype functions

cleanup for NIS maps

changes to merge alias and map implementations

first cut at merged map/alias implementation