p5-Eval-LineNumbers

Add line numbers to hereis blocks that contain perl source code

Eval::LineNumbers adds a #line "this-file" 392 comment to hereis text that is going to be eval'd so that error messages will point back to the right place. Please note: when you embed \n in your code, it gets expanded in double-quote hereis documents so it will mess up your line numbering. Use \\n instead when you can.