The goal of TxDb.Drerio.UCSC.danRer11.ensGene is to ...
You can install the development version of TxDb.Drerio.UCSC.danRer11.ensGene like so:
# FILL THIS IN! HOW CAN PEOPLE INSTALL YOUR DEV PACKAGE?
This is a basic example which shows you how to solve a common problem:
library(TxDb.Drerio.UCSC.danRer11.ensGene)
## basic example code