ksh-88 Features Not Implemented

The following features of ksh-88 are not implemented in dbx:

• set -A name for assigning values to array name

• set -o particular options: allexport bgnice gmacs markdirs noclobber nolog privileged protected viraw

• typeset -l -u -L -R -H attributes

• backquote (\Q…\Q) for command substitution (use $(...) instead)

• [ [ expression ] ] compound command for expression evaluation

• @(pattern[|pattern] …) extended pattern matching

• co-processes (command or pipeline running in the background that communicates with your program)