enable use of rule for completion in 2-D input
disable use of rule for completion in 2-D input
rule name (string) or set or list of rule names
The EnableCompletionRule command turns on the specified completion rule(s) in the Typesetting package for use in 2-D input, while the DisableCompletionRule command turns off the specified completion rule(s) in the Typesetting package for use in 2-D input.
There are too many rules to be able to list them all here, but all are available in the Rules area of the interactive Typesetting Assistant.
As a simple example, if the rule BesselJ was enabled for completion, one could enter "BesselJ" within the 2-D editor, then hit the completion key (Esc), and one of the presented options will be a formatted BesselJ function (specifically a function J with a symbolic subscript v as a function of a variable x, where the v and x are entry points).
It should be noted that functions entered via completion parse in the expected way even if the corresponding parse rule is disabled.
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