The standard-examples.war web.xml does not have any welcome files defined although there is an index.html file at the root of the standard-examples.war web app. Note that the component defined for this bug is "Unknown Taglib" since it does not specifically apply to any single tag library.
At worst, if sample declaration of the uri directive and the TLD's location is described in "web.xml", I think that there is basically no problem when using or learning "standard- examples" application.
(It is okay to include reports related to the standard-examples application under "Standard Taglib," even when a bug does not affect the tag library itself.) I have added a <welcome-file-list> element to the example application's deployment descriptor. I've also modified standard-doc in a correspondent fashion.