message: Add note about future work (AST parser returns column/index info)
diff: @@ -253,6 +253,7 @@ export function findLastFilter(
  true // traverse in reverse
  );
  + // @TODO: This could be cleaner if the AST parser returned column locations; we wouldn't have to guess at indexes by doing space normalization
  const trailingKeywordStrings = trailingKeywordArgs.reverse().join(' ');
  const spaceNormalizedQuery = queryUpToCaret.trim().replace(/\s+/, ' ');
  const execResult = lastWordRegex.exec(queryUpToCaret);
  