#1
Okay let's start from the start. I want to put up tabs because, i don't really like some tabs on this site; i want to add timing and fix certain parts on a song. Also, is there a format where all the lines will come up by this i mean these dashes ------
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finally will fixing parts of the tab but, adding more to it be considered just copying frm someone else
RAWL
#2
If its only a few mistakes then just PM the uploader of the tab so he can correct the mistakes and credit you with the corrections.

If its a full correction of a tab and their are only 1 or 2 versions of the song then its ok to upload your tab as long as you credit the previous tabbers in the information section for their work, and obviously be sure that your corrections are correct:P