template-allows-sign

Arguments: editable-text

Returns whether the user is allowed to type a plus or minus character in an editable-text widget that has a template-string. The value may be set at creation time by specifying the template-allows-sign initarg, or any time later by calling (setf template-allows-sign).

This property is used only with a template-string. When true, the user may type a plus or minus character in any template character position where there is no template character position to the left that contains a non-space.

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Created 2015.5.21.