xpath_chk/3

Documentation
- Reference manual
- Packages
  - SWI-Prolog SGML/XML parser
    - library(xpath): Select nodes in an XML DOM
      - xpath_chk/3
      - xpath/3

Availability::- use_module(library(xpath)).(can be autoloaded)

Source

[semidet]xpath_chk(+DOM, +Spec, ?Content)

Semi-deterministic version of xpath/3.