msgcat (mann)
msgcat − Tcl message catalog
msgcat − Tcl message catalog
catch − Evaluate script and trap exceptional returns
lappend − Append list elements onto a variable
flush − Flush buffered output for a channel
pkg_mkIndex − Build an index for automatic loading of packages
history − Manipulate the history list
tk_menuBar, tk_bindForTraversal − Obsolete support for menu bars
coroutine, yield, yieldto − Create and produce values from coroutines
dde − Execute a Dynamic Data Exchange command
ttk::separator − Separator bar