error(50): STParser.g4:145:6: syntax error: '->' came as a complete surprise to me while looking for rule element
That's a laugh. Anyway, I figured no problem: I'll just go back and look at the docs to refresh myself as to the meaning of these arrows. But when I tried to do so, it seems like the ANTLR3 docs aren't where they used to be. Links in the [antlr3 git repository](https://github.com/antlr/antlr3) point to locations which no longer contain the docs (e.g. http://www.antlr.org/wiki/display/ANTLR3/ANTLR+3+Wiki+Home). While I'm sure I've got a copy of the previous edition of Terry's book somewhere around the house, it seems a shame that the online docs aren't accessible via the old URLs.
I'm looking for a little more context. Has anyone implemented a version of StringTemplate using the ANTLR4 grammar? Is the example intended (or tested) to be compatible with StringTemplate4?