'''`[http://tcl.tk/man/tcl/TclCmd/history.htm%|%history]`''', a [Tcl
commands%|%built-in] command, manipulates the history list.



** Synopsis **

    :   '''history''' ?''option''? ?''arg arg ...''?

Supported subcommands are:

    :   '''[history add]''' ''script'' ?'''exec'''?
    :   '''[history change]''' ''newValue'' ?''event''?
    :   '''[history clear]'''
    :   '''[history event]''' ?''event''?
    :   '''[history info]''' ?''count''?
    :   '''[history keep]''' ?''count''?
    :   '''[history nextid]'''
    :   '''[history redo]''' ?''event''?



** Description **

'''`history`''', with no additional arguments, is equivalent to `[history
info]`.

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