Though the link to editing help appears when posting a question. But in other cases when commenting or replying, the link is not visible.
Those who have been using the markup for sometime might not need to view the reference at all. But new ones like me do need it time and again. Now on my system I have bookmarked it but when I am accessing SO from some other system which is quite often, I really get stuck.
Then I have to click on
Ask question button in a new tab so that the side bar help can appear with link to full reference in it. From there I click on
full reference and read about the markup.
I think its a good idea if link to markup help appears in case of commenting and reply too.
Or its link can be made permanent part of every page. Like in the lower portion of the page along with
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