семантика

Hello. In which cases and for which tags is role="presentation" used? If I understand correctly, it is used for a block that ... ly auxiliary elements for correct markup that do not have valuable information. Any rol attributes inside it will be ignored.

Hello! Please tell me the solution to my problem. I am trying to make it so that from the text that is read from the file, I ... } } } reader.close(); System.out.println("The number of sentences is " + sentenceCount); } }

According to the HTML semantics, can main be nested in section or article?