# format Any document that does not follow the rules below is subject to correction. * Write code comments or internal documentation in a certain tone. * Documents to be shown to the outside (general users) should be written more and more. * Always include definitions, meanings, or links to terms that appear for the first time in the document. * Use parentheses as a proviso only for sentences that are supplementary but necessary for understanding the main text, and use footnotes for sentences that are not essential for understanding the main text[1](#1). * If the content of the document is outdated, update it according to [this method](https://github.com/erg-lang/erg/issues/48#issuecomment-1218247362). * Files under `syntax` should have sequential numbers at the beginning of their file names, except for those not included in the document. * Scripts that automatically insert and replace files exist in doc/script. --- 1 See this for how to write footnotes. [↩](#f1)