Adrian, as you'll see in the attached patch (comment 7), I'm finding that if the link URI being passed in the attribute string to cairo_tag_begin contains a backslash, I have to *doubly* escape the \ (i.e. replace \ with \\\\) in order for the cairo-pdf-interchange backend to generate the link properly. This seems unexpected to me; is it possible a cairo bug? (I haven't yet tried to reproduce this with a standalone test and current cairo master, but skimming the cairo commit logs I didn't notice anything that looked like a recent fix. But you may know otherwise...)
Bug 1748077 Comment 8 Edit History
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Adrian, as you'll see in the attached patch (comment 7), I'm finding that if the link URI being passed in the attribute string to cairo_tag_begin contains a backslash, I have to *doubly* escape the \ (i.e. replace a single `\` with four `\\\\`s) in order for the cairo-pdf-interchange backend to generate the link properly. This seems unexpected to me; is it possible a cairo bug? (I haven't yet tried to reproduce this with a standalone test and current cairo master, but skimming the cairo commit logs I didn't notice anything that looked like a recent fix. But you may know otherwise...)