1. A computer-implemented method for checking bidirectional text in text content, comprising: for each text part of a plurality of text parts in the text content: determining an intrinsic text direction of the text part; determining a declared text direction associated with the text part; generating, with a computing device, a bidirectional text error based on a mismatch between the intrinsic text direction and the declared text direction; and reporting the bidirectional text en or.