Leo Liu writes: Hello Leo. Thanks for your answer. > Can this bug be fixed by changing the regexp in > `octave-eldoc-function-signatures' from > > "\\s-*\\(?:--[^:]+\\|usage\\):\\s-*\\(.*\\)$" > > to > > "\\s-*\\(?:--[^:]+\\|\\_ ? Yes, indeed, this change fixes it. Will you push the fix? Best regards, Mauro.