Maintainers for antlr3 are Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>.
You may want to refer to the following packages that are part of the same source: antlr3-doc, antlr3-gunit-maven-plugin, antlr3-maven-plugin, libantlr3-gunit-java, libantlr3-gunit-java-doc, libantlr3-runtime-java.
You might like to refer to the antlr3 package page, to the Package Tracking System, or to the source package src:antlr3's bug page.
If you find a bug not listed here, please report it.