Inserts in generated content a (single line) text field control. This control can be used to edit the value of the element which is the target of the CSS rule. If "attribute,
attribute_name" is specified, this control can be used to edit the value of an attribute of this target element.
|attribute||Qualified name of attribute to be edited||No default||Without this parameter, the control is used to edit the value of the element for which the control has been generated.|
|columns||Positive integer||None (the text field expands when the document view is resized)||Width of the control in characters.|
value may also specify style parameters.