convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

convert namelist structure to use unions

make dispose a standard procedure

remove patch to "if-then-else" due to broken eyacc

complain in segend() when trying to compile with -z (ie for pxp counters).

add "pxp" counter to external routines, in case they are locally resolved.

version 2.6 becomes 2.7 automagically.

someone forgot to pass an argument to PCEXIT() for exit().

protect against conflicts with library routines and data.

version 2.5 becomes 2.6 automagically.

check that resolution is the same kind as the forward/external.

version 2.4 becomes 2.5 automagically.

version 2.3 becomes 2.4 automagically.

removing the last of the sccs references from makefiles.

use jmp instead of jbr to external symbols. `as' botch.

version 2.3; clean up old error strings.

use of configuration stuff (a little late).

be sure to get range values for SUCC and PRED