XHTML Well-formedness Validation with Prolog

Here I am presenting a prolog program that will check the well-formedness of an XHTML document. The term XHTML well-formedness describes an XHTML document where all the texts follows all the syntactic rules labeled as well-formedness rules in the XHTML specification.   Detailed Working Process My prolog program will read input from a file xhtml_nodes.txt […]