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Basil L. Contovounesios authored
The last change to forward-button added support for help-echo values that are functions. This patch fixes the arguments passed to such functions and further adds support for help-echo values that are forms (bug#37515). * doc/lispref/display.texi (Button Properties): Fix description of help-echo button property. * lisp/button.el (button--help-echo): New function. (forward-button): Use it. (backward-button): Clarify help-echo reference in docstring. * test/lisp/button-tests.el (button--help-echo-string) (button--help-echo-form, button--help-echo-function): New tests.
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