MMSVGDISPLAY
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     Description
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     When this parameter is set to
     true (the default) the first call to
     svgrefresh starts a web browser for displaying the current graph. Changing the value of this parameter disables rendering: after a warning message is reported calls to
     svgrefresh have no effect and the function
     svgclosing always returns
     true. Note that setting the environment variable
     MMSVGDISPLAY to a non empty string has the same effect as changing this control parameter.
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     Type
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     Boolean, read/write
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     Values
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     Default value
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     true
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     Affects routines
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     Module
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