one-line comment

```
What steps will reproduce the problem?
1. save the following code to test.php:

2. use htmlcompressor to minify this file

What is the expected output? What do you see instead?
Expected:
Instead:

What version of the product are you using? On what operating system?
1.5.3, On Windows Win7

Please provide any additional information below.

```

Original issue reported on code.google.com by `huhang...@gmail.com` on 6 May 2014 at 9:44