rstudio/shiny — pull request #92 by wch (2013-01-25 20:55:52+00:00)
Title: Use correct default label for contexts. Fixes #91

NULL apparently is not a valid value for a field in a reference class. I set the default to `''`, although `NA_character_` would also solve the problem.

This also sets the label for downloads to `[download]`. @jcheng5, do you think these labels are appropriate?