(2) structural changes triggered thereby
(3) verify m4 and makeinfo run correctly on all versions of the doc
represented in the Makefile and m4 config definition files
as.texinfo: disabled .lsym
exploit makeinfo node defaulting
removed some conditional hair around nodes
fixed some bad conditionals in a29k config
a29k.m4, i960.m4, sparc.m4, vax.m4: supply missing switch definitions
(looks like these hadn't been tested for a while)
as-all.texinfo: mechanically derived from above
