[OSGeoLive] #2501: MapServer demo broken after update to 8.4.0

[OSGeoLive]

#2501: MapServer demo broken after update to 8.4.0
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 Reporter:  kalxas     |      Owner:  osgeolive@…
     Type:  defect     |     Status:  new
 Priority:  critical   |  Milestone:
Component:  OSGeoLive  |   Keywords:  mapserver
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 {{{
 CGI variable map fails to validate. msIsValidRegex(): Regular expression
 error
 }}}
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Ticket URL: <https://trac.osgeo.org/osgeolive/ticket/2501>
OSGeoLive <https://live.osgeo.org/>
self-contained bootable DVD, USB thumb drive or Virtual Machine based on Lubuntu, that allows you to try a wide variety of open source geospatial software without installing anything.