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6. Entering Arguments

Many Hyperbole commands prompt you for arguments. The standard Hyperbole user interface has an extensive core of argument types that it recognizes. Whenever Hyperbole is prompting you for an argument, it knows the type that it needs and provides some error checking to help you get it right. More importantly, it allows you to press the Action Key within an entity that you want to use as an argument and it will grab the appropriate thing and show it to you at the input prompt within the minibuffer. If you press the Action Key again at the same point (click with a mouse) on the same thing again, it accepts the entity as the argument and moves on. Thus, a double click registers a desired argument. Double-quoted strings, pathnames, mail messages, Info nodes, dired listings, buffers, numbers, completion items and so forth are all recognized at appropriate times. All of the argument types mentioned in the documentation for the Emacs Lisp (interactive) function are recognized. Experiment a little and you will quickly get used to this direct selection technique.

Wherever possible, standard Emacs completion is offered, see section `Completion' in the Gnu Emacs Manual. Remember to use {?} to see what your possibilities for an argument are. Once you have a list of possible completions on screen, you can double click the Action Key on any one to enter it as the argument.

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