How to add predefined text to Special Instructions or Order Comments field?

So i want to like add predefined text inside the order Special Instructions or Order Comments structure

So when they come to the checkout the Special Instructions or Order Comments is already filled out with pre text that they just need to add more like example

size:
height:
color:

.

I found define('NO_COMMENTS_TEXT', 'None'); but that text is added AFTER after "continue to checkout" / Step 2 out of 2.

Any luck with that?

Edit.

The pre text goes inside the Special Instructions or Order Comments

Think i nailed it..

Find this file
includes/templates/YOUR_TEMPLATE/templates/tpl_checkout_shipping_default.php

change text from

<?php echo zen_draw_textarea_field('comments', '45', '3'); ?>

To

<?php echo zen_draw_textarea_field('comments', '45', '10', 'size: height: color:'); ?>

Now how would i put the text up in structure? as for now it goes into 1 straight line, i cant use html tags inside it without showing?

like

size:
height:
color:

and not

size: height: color:

Far as I know, you can't use markup there, so you may have to add spaces between the words.

stevesh:

Far as I know, you can't use markup there, so you may have to add spaces between the words.

I just tested with

and it works beautiful :P

so

message
ANOTHER_MESSAGE

It might be missing the & infront of #10;

gives

message
ANOTHER_MESSAGE