Some doc edits.
Merge branch 'gawk-4.1-stable'
Make 'make distcheck' work.
Bump version for test distribution.
Fix doc/gawk.info.
Merge branch 'gawk-4.1-stable'
Bump version on master.
Remove pipeio3 test.
Merge branch 'gawk-4.1-stable'
Sort option table by long option name for ease of maintenance.
Merge branch 'gawk-4.1-stable' to sort option table by long option name.
Improve fts test for Cygwin.
Merge branch 'gawk-4.1-stable'
Fixes in vms/vms-conf.h.
VMS fixes in io.c.
Merge branch 'gawk-4.1-stable'
Fixes for Z/OS.
Merge branch 'gawk-4.1-stable'
Add an item to TODO.
Add a FIXME comment.