MS Word will break your links!

I was pleased to see that my nerrrdy Bourgoin mini-zine got cited in an art workbook for schools: Islamic mosaics activity (Patterning) from MathWeave. Yay!

But the link in the workbook doesn’t work! I mean, it looks right:

While the real link is:

Only when you copy the bad URL do you see the problem:

Word has changed the pasted ‘-’s to ‘‐’s: that’s from U+002D HYPHEN-MINUS to U+2010 HYPHEN. You’d have thought that software that was smart enough to recognize an URL would also be smart enough not to do any messing with the characters in it …