Hello, I have tried to compile an old document (written in mkii times). Among other problems that I yet need to isolate, the following minimal example doesn't want to compile: $\bigl| x \bigr>$ since <|> aren't recognized as candidates for delimiters. There is a workaround of course (using \langle, \rangle, ... instead of <>), but the three characters are just way too handy to use. I suppose that the behaviour in mkii comes from these lines: \definemathcharacter [<] [nothing] [sy] ["68] [ex] ["0A] \definemathcharacter [>] [nothing] [sy] ["69] [ex] ["0B] But I'm not sure where mkiv could be changed. I have tried to use adobename="greater", ... mathspec={ { class="binary", name="gt" }, { class="close", name="rbrace" }, }, but without any success. Mojca