D-Programming-Language/dmd — pull request #1599 by andralex (2013-02-02 14:30:09+00:00)
Title: < and > should be magic only when generating HTML

I'd drop that altogether but it's best to stay backwards compatible.

With this change, if one defines ESCAPES to expand `<` into something else than `<`, uses of `<` that look like HTML tags or comments are not considered special.