--- This is a quick fix I did when I encountered this problem.
Note: you can get this patch (and some maybe other interesting small changes I did) out of the Git repository at http://scheme.mine.nu/gambit/ssax-sxml/.git
libs/gambit/parse-error.scm | 30 ++++++++++++++++++++++++++---- 1 files changed, 26 insertions(+), 4 deletions(-)