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XTRAN Demonstration:  Analyze HTML Embedded Substitutions & Their Occurrences

XTRAN treats HTML as a computer language, in which each "statement" is a tag, a line or segment of nonmarkup text, or an end tag.

 Rules:

The following is an English paraphrase of the XTRAN rules used for this example.  These rules comprise 91 (net) lines of XTRAN's rules language.

    For each HTML "statement"
        If nonmarkup text line or segment
            For each embedded substitution in text
                Tally substitution name occurrence by name
                Record source file and line of this occurrence
    Sort substitution names
    For each substitution name seen, alphabetically
        Report substitution name with tally
        For each occurrence of this substitution name
            Report occurrence source file and line

 Output:

Running these rules on this HTML page generated the following XTRAN analysis output:

                        HTML Embedded Substitution Usage

&  3
    htmsub.htm(19)
    htmsub.htm(57)
    htmsub.htm(60)
   9
    htmsub.htm(19)
    htmsub.htm(19)
    htmsub.htm(27)
    htmsub.htm(30)
    htmsub.htm(30)
    htmsub.htm(49)
    htmsub.htm(75)
    htmsub.htm(75)
    htmsub.htm(94)

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