Click the help icon brings the comment form. Tried to keep the translate form 
as clean as possible. Ideas are welcome.

I didn't know that. 

A comment icon would be a good idea. You can also have count of comments next 
to it (viz the blogger comment icon style http://playingwithsid.blogspot.com )

Any extra button comes with the cost of a greater page loading time. That's why 
initially only the original text and translation is shown.

When you click the help button, you get the translation list and comment box.

Not sure if this is the best idea. It depends what do people want to actually 
comment. Is it to ask a question before they translate, comment an existing 
suggestion or both.

If I'd implement the review tab, then we could have different views of the 
current translation page and we might have different options activated by 
default.

Suggestions are welcomed.

I understand the need to keep the pages lightweight. However commenting fosters 
collaboration. Also it is another avenue for translators to communicate and 
peer review. 

Putting comment under help makes it harder to find. Second it means that users 
comment to get support. 

Some of testcases for comments are: 

* User leaves a comment when they find a invalid string 'a' '.' 
* User leaves a comment when he is unable to find the right word for the 
translations
* User leaves a comment to ask others to review
* Users leave comment when suggesting a better translation 
* Project Approver leaves a comment on why they made changes to the 
translation. As a learning process. 

Review tab had been great help for localization sprints. Strong encourage you 
implement it in Narro 2.x.

This talk would give you more idea on sprint format: Translate -> Review -> 
Test pattern of localization.

http://www.slideshare.net/playingwithsid/mozilla-khmer-l10n-presentation-barcamp
-pnnom-penh-4

So currently commenting is enabled like this:

In the translate tab, there's a link % translations % comments. Clicking it 
opens the translations list and the comment box where you can add a comment and 
see other comments.

In the review tab, the same situation except the translations are shown by 
default.


Is there anything missing or wrong ?