Made overview of comments containing errorinfo

for i in `find $GTBIG -name goldstandard -type d`; do fgrep '<comment>' $i/*.xml; done | grep errorinfo |  sed -e 's_.*<comment>__' -e 's_</comment>__' | sort -u > sorted-errorinfo.txt

Process these strings:
./handle_comments.pl < sorted-errorinfo.txt

Results in the file huff.xml