Unable to parse your query:
You might try to enclose your search term in quotes,
escape special characters
with \, or read the Help
on the query language. Error message from parser:
Cannot parse '{texinfo-mode-map}': Encountered " "}" "} "" at line 1, column 17.
Was expecting one of:
"TO" ...
<RANGE_QUOTED> ...
<RANGE_GOOP> ...