[O] how to refer row's by name in a spreadsheet formula?

Hi list, Formulas reference in a long table are very easy corrupted by manually inserting. so, I think, refer using name instead of num. is better. but how to refer the rows by name? For example, |---+--+-++-+--| | ! | date | amount | item | account | note | |

Re: [O] Largest org file you have + performance

My largest org file is QuanSongCi.org, contains ci poetry of Song dynasty, about 6MB size. Editing in emacs is very slow, save needs to wait about minutes. convert to html needs to wait about minutes, too. So, sometimes, sed like tools is preferred to do editing and converting.