Hello everyone,

Ran into a problem with HAML post-processing of textareas.

The project to demonstrate a problem is at 
https://github.com/myuller/haml_test

The use case is pretty obscure and might not be encountered often, but the 
problem had manifested
in live project I happen to maintain, so I've decided to post here in hope 
it may be worth a look.

Quick summary:

What the code does is rendering some haml partial with lots of textareas 
into js response template.
Rails helper method escape_javascript replaces "</textarea>" with 
"<\/textarea>" so haml internal method
"fix_textareas!" performs a very ineffective and resourceful regexp match 
(which with large response size stalls the server
for minutes).

I hope I'm not wasting your time with this,

Best Regards,
Pavel Myuller.

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