Fix parsing some nodes with parentheses surrounding them.
Fix parsing some nodes with parentheses surrounding them.

eventualbuddha/decaffeinate,edi9999/decaffeinate,eventualbuddha/decaffeinate,alangpierce/decaffeinate,decaffeinate/decaffeinate,alangpierce/decaffeinate,greyhwndz/decaffeinate,lunks/decaffeinate,alangpierce/decaffeinate,lunks/decaffeinate,netei/decaffeinate,netei/decaffeinate,decaffeinate/decaffeinate