The altText updates are only read if the value actually changes.
Bug Fix: Extra space can be removed.
[url=https://wiki.geogebra.org/en/IndexOf_Command]More information[/url].
New parameter [i]"transparentGraphics":true.[br][br][/i]Check it [url=https://test.geogebra.org/~mike/examples/transparent.html]here[/url]. [br][br][url=https://wiki.geogebra.org/en/Reference:GeoGebra_App_Parameters]More information[/url] about App Parameters.