Use unref when freeing a null array element.
Polish array handling code.
Improve array interface.
Add optional shutdown routine for an extension lib.
New array extension.
Fix memory corruption in copying an array, add another array extension.
Add extension example to read/write files with fixed-length records.
Merge branch 'master' into array-iface
Finish porting to current code base.
Merge branch 'master' into array-iface
Apply realloc optimization to wide string values.
Merge branch 'gawk-4.0-stable'
Doc updates.
Minor fix for VMS.
Add extension/README.fts to distribution.
Update TODO.
Update translations from a dist check.
Update tables in gawk.texi.
Merge branch 'master' into array-iface
Add minimal doc that old extension is still around.