i'm writing a web-based crossword app using svg for the grid, and it's a great experience. i got the basic idea by examining the source of the guardian interact

i'm writing a web-based crossword app using svg for the grid, and it's a great experience. i got the basic idea by examining the source of the guardian interactive crossword [https://www.theguardian.com/crosswords/cryptic/27089 https://www.theguardian.com/crosswords/cryptic/27089 e.g.] which is very clean and readable.