func_cut: Add example to documentation.
This adds an example to the XML documentation clarifying usage of the CUT function to address a common misusage.
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@ -75,6 +75,10 @@
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</syntax>
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<description>
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<para>Cut out information from a string (<replaceable>varname</replaceable>), based upon a named delimiter.</para>
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<example title="The 'varname' parameter can only accept a variable name, not a variable expression">
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exten => s,1,Set(foo=${CUT(bar,,2)}); This is correct syntax
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exten => s,2,Set(foo=${CUT(${bar},,2)}); This is invalid syntax (unless bar contains the name of another variable)
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</example>
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</description>
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</function>
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***/
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