New upstream version 4.7.2

README.md

antlr4-maven-plugin/pom.xml

contributors.txt

doc/antlr-project-testing.md

doc/building-antlr.md

doc/csharp-target.md

doc/getting-started.md

doc/java-target.md

doc/javascript-target.md

doc/releasing-antlr.md

doc/swift-target.md

pom.xml

runtime-testsuite/annotations/pom.xml

runtime-testsuite/pom.xml

runtime-testsuite/processors/pom.xml

runtime/Java/pom.xml

...me/Java/src/org/antlr/v4/runtime/CodePointCharStream.java

runtime/Java/src/org/antlr/v4/runtime/RuntimeMetaData.java

.../Java/src/org/antlr/v4/runtime/atn/PredictionContext.java

scripts/github_release_notes.py