[syslog-ng] the match() filter without the use of the value() option is deprecated

[Jeremy M. Guthrie]

Can anyone shed light on what the the the below error message means?  I cannot 
find anything on what value() is and why my syntax is wrong.  I am migrating a 
older configuration to 3.0.4.  

WARNING: the match() filter without the use of the value() option is 
deprecated and hinders performance, please update your configuration;

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Jeremy M. Guthrie           jeremy.guthrie at cdw.com
Managed Cisco Security Services
Hosting and Managed Services
Technical Architect            Phone: 608-298-1061
CDW                              Fax: 608-288-3007
5520 Research Park Drive         NOC: 608-298-1102
Madison, WI 53711       NOC Email: hmshelp at cdw.com