requires

<requires version="[version number">

<text>[text if wrong version]</text>

</requires>

Minimum app version required. The enclosed text is only displayed is the version is less than the required version, otherwise the tutorial starts.

Example:

  <requires version="2.0.0">
    <text>
      This tutorial requires Tinderbox 1.0.0 or later.  You can update your copy of
      Tinderbox easily!  Just visit http://www.eastgate.com/Tinderbox/.
    </text>
  </requires>

... where Tinderbox v2.4.0 would run the tutorial but v1.5.0 would not but would show the alternate text.

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