- resolving Tags external TagLibs :
Pretty much the same what STS does in GSPs.
In grails it is possible to use the tags of another TagLib by calling it through 'namespace'.'methodname'(params)
can be called in another TagLib as:
where result is of the type org.codehaus.groovy.grails.web.util.StreamCharBuffer and is good to be used for
Currently the code is underlined as unrecognized + no codecompletion etc. is offered.
- supporting the method throwTagError('errorMessage') :
grails provides a method throwTagError in TagLib classes.
Currently its marked as not recognized in STS.
You can see the an exemplary use of the method in http://grails.org/doc/latest/ref/Tags/formRemote.html ("Show Source"-Link at the bottom of the page)