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This is just to write down a little trick for when working with html files.
I was troubleshooting a layout with and extra div and using this to identify all the the instances containing end divs (</div>) so I could pin point the one that gave me a hard time tracking down:

perl -pe ‘$i++;s#</div>#</div><!–$i–>/g’

(I ran this in Emacs with “M-x shell-command-on-region”)

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