An HTML representation of the icon associated with this transformation.
Indicates whether this action needs input from the user. For instance, an
action which brings up a modal dialog to ask something of the user must
have this parameter set to true. It is important to record whether an
action needs input because, to take one example, the autoinsert logic
will try to insert automatically any element it can. However, doing this
for elements that need user input will just confuse the user (or could
cause a crash). Therefore, it is important that the insertion operations
for such elements be marked with needsInput set to true so that the
autoinsert logic backs off from trying to insert these elements.
Defaults to false if not specified.
Indicates whether this transformation needs to be treated as a kind of text input.
The distinction originates with how typing text is treated differently for
undo/redo purposes than other changes to a document. We group sequences of
keys together, with a default maximum length of 10 keys. So if I type
abcdefghijklmn and then undo. The klmn will be removed and then if
I do another undo the rest of the text will be undone. The first ten
characters were grouped in an undo group, and the last four in another.
Some key presses can trigger transformations, and such transformations need to be treated as text input.
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An abbreviated description of this transformation.