[RFC] vim-patch:7.4.293, vim-patch:7.4.294

##### 7.4.293
```
Problem:    It is not possible to ignore composing characters at a
            specific point in a pattern.
Solution:   Add the %C item.
```
https://code.google.com/p/vim/source/detail?r=10fc95f48546f438648b8357062e93c9c2c0a377

##### 7.4.294
```
Problem:    Test files missing from patch.
Solution:   Patch the test files.
```
https://code.google.com/p/vim/source/detail?r=fdea5ea9afd139ea59dee6bdb3f1675b8b882bdf
I would use the Neovim style comment here although it clashes with the other constants comments.