- #25: $VAR expansion in commands - #26: Shell abbreviations and user-extensible builtins - #27: $(cmd) subcommand syntax - #22: Updated with implementation details (in progress) - #7: Standardize status label
#16 multiline shell commands #17 _ scope (global vs local) #18 path expansion (~) #19 nested commands trigger prompt2 #20 simplify backtick return value #21 prompt redesign #22 implicit interactive commands (drop ! prefix) #23 general cleanup and refactor