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To increase interoperability with other CUAs a number of Compatibility Hints are provided in iCal4j. You can enable these hints in one of three (3) ways:

Enabling Compatibility Hints programmatically

Compatibility Hints can be enabled and disabled by calling the static method CompatibilityHints.setHintEnabled(). For example:

CompatibilityHints.setHintEnabled(KEY_RELAXED_UNFOLDING, true);

Specifying Compatibility Hints in a properties file

  1. Create a file called ical4j.properties and include it in the root of your classpath (alternatively you can copy a sample file from CVS).

  2. Add appropriate lines for enabling hints. So for example, to enable relaxed unfolding add the following:

ical4j.unfolding.relaxed=true

The complete list of Compatibility Hint properties is as follows:

ical4j.unfolding.relaxed={true|false}

ical4j.parsing.relaxed={true|false}

ical4j.validation.relaxed={true|false}

ical4j.compatibility.outlook={true|false}

ical4j.compatibility.notes={true|false}

Specifying Compatibility Hints as System properties

You may also specify the same Compatibility Hints above as System properties. For example:

java -Dical4j.unfolding.relaxed=true 

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