SWI-Prolog -- is_text

Documentation
- Reference manual
  - The SWI-Prolog library
    - library(portray_text): Portray text
- Packages

Availability::- use_module(library(portray_text)).

[semidet,multifile]is_text_code(+Code:nonneg)

Multifile hook that can be used to extend the set of character codes that is recognised as likely text. By default, is_text_code/1 fails everywhere and internally, only non-control ASCII characters (32-126) and the the control codes (9,10,13) are accepted.

To be done: we might be able to use the current locale to include the appropriate code page. (Does that really make sense?)