en.wikipedia.org/wiki/Wikipedia:Edit_summary_legend

Showing page report for: Wikipedia:Edit summary legend - Wikipedia
To see your duplicate content highlighted on the page, click on a row in the table below: 
Page Duplicate Content Search title or URL  
  URL Title Match Words ▾ Match Percentage
wiki/Wikipedia:Directories_and_indexes Wikipedia:Directories and indexes - ... 4,537 51%
wiki/Help:Wikitext Help:Wikitext - Wikipedia 143 2%