+ package.log("sparql", YLOG_LOG, "Explain search '%s'", explain_query );
+ const char *term = explain_query + strlen(explain_query);
+ while ( term > explain_query && *term != ' ')
+ term--;
+ term++;
+ if ( ! isalpha( *term) )
+ term=""; // anything non-alpha is taken to mean all
+ // Empty string is seen here as two double quotes ""
+ // so it returns all bases as well