shift
printf '{\nglobal:\n'
-nm --defined $* | awk '$3 ~ "Xapian.*Error" {print $3}' | sort | uniq | \
+nm $* | awk '$1 ~ "^[0-9a-fA-F][0-9a-fA-F]*$" && $3 ~ "Xapian.*Error" {print $3}' | sort | uniq | \
while read sym; do
demangled=$(c++filt $sym)
case $demangled in