asciidoctor/asciidoctor — pull request #580 by mojavelinux (2013-08-21 11:16:37+00:00)
Title: resolves #575 refactor reader to track include stack

- split the Reader into Reader and PreprocessorReader
- maintain an internal stack of include contexts
- report file names with line numbers
- rework reader tests
- rename several reader methods to be more intuitive
- optimize operations in the readers