Fix memory growth problem.
Merge branch 'gawk-4.1-stable'
OS/2 fixes.
Additional OS/2 fix suggested by Andreas Buening.
Merge branch 'gawk-4.1-stable'
Update pc/Makefile.tst.
Merge branch 'gawk-4.1-stable'
Remove MBS_SUPPORT ifdefs.
Merge branch 'gawk-4.1-stable'
Revert field reference changes of 2014-11-11.
Sync dfa with grep.
Update in NEWS.
Merge branch 'gawk-4.1-stable'
Add field reference changes. Currently breaks sortglos test.
Start on copyedits.
Add NOTES.
Copyedits.
Copy edits.
Copyedits. Through page 72 or so in ORA MS.
Copyedits through the end of chapter 4.