If you mean the squares that are shown inside the HTML panel, then these are the spaces inside the HTML source.
To turn the display of them off click the little arrow besides the HTML tab and
uncheck Show Whitespace.
Sebastian
On Saturday, February 23, 2013 11:35:57 AM UTC+1, Ashish Tiwari wrote:
Hi all !
I'm using firefox-19 and firebug-1.11.2 on linux.below is the screenshot of issue.