aspnet/Mvc — pull request #1412 by NTaylorMullen (2014-10-20 20:52:35+00:00)
Title: Change TagBuilder Attributes to be case insensitive.

- This involved adding the StringComparer.OrdinalIgnoreCase comparer to the TagBuilder's Attributes dictionary.
- Added tests to validate that all methods that made use of TagBuilder.Attributes abide by the new ignore case mechanic.

#1328