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SWATH (Smart Word Analysis for THai)

Thai script has no word delimitor. While it's trivial for human readers to
recognize word boundaries while reading, it requires some knowledge for the
machine to do the same when wrapping lines or moving cursor word-wise, etc.
Normally, applications need such feature to support Thai text processing.

Swath is a general-purpose utility to workaround the lack of such capability
in applications. It analyzes the given Thai text by consulting a Thai word
list for word boundaries, before outputting the same text with the predefined
word delimitors inserted.

It can read many kinds of input, including plain text and structured documents
like HTML, RTF, LaTeX and Lambda (Unicode version of LaTeX with Omega
typesetter kernel). [See -f option].

For the known documents, it inserts the common word delimitors used in the
corresponding formats, and pipes (|) for plain text. But the user can always
override this with a preferred delimitor. [See -b option.]

Swath can also be configured to use different algorithms for the analysis.
Currently, it supports two schemes: longest (greedy) matching and maximal
(least words) matching. [See -m option.]


- For LaTeX (to be used with babel-thai package):

    $ swath -f latex < mydoc.tex > mydoc.ttex
    $ latex mydoc.ttex

  Or if you composed your LaTeX source in UTF-8:

    $ swath -f latex -u u,t mydoc.tex > mydoc.ttex
    $ latex mydoc.ttex

  This is equivalent to filtering with iconv(1):

    $ iconv -f UTF-8 -t TIS-620 mydoc.tex | swath -f latex > mydoc.ttex
    $ latex mydoc.ttex

- For HTML (to provide web pages to web browsers that cannot wrap Thai lines
  properly, but support the <wbr> tag):

    $ swath -f html < mydoc.html > mydoc-wbr.html