NAME

       lt-trim - This application is part of the lexical processing modules and tools ( lttoolbox
       )

       This   tool   is   part   of    the    apertium    machine    translation    architecture:
       http://www.apertium.org.

SYNOPSIS

       lt-trim analyser_binary bidix_binary trimmed_analyser_binary

DESCRIPTION

       lt-trim  is  the  application responsible for trimming compiled dictionaries. The analyses
       (right-side when compiling lr) of  analyser_binary  are  trimmed  to  the  input  side  of
       bidix_binary  (left-side  when compiling lr, right-side when compiling rl), such that only
       analyses which would pass through `lt-proc -b bidix_binary' are kept.

       Warning: this program is experimental! It has been tested, but  not  deployed  extensively
       yet.

       Both  compund tags (`<compound-only-L>', `<compound-R>') and join elements (`<j/>' in XML,
       `+' in the stream) and the group element (`<g/>' in XML, `#'  in  the  stream)  should  be
       handled correctly, even combinations of + followed by # in monodix are handled.

       Some  minor  caveats: If you have the capitalised lemma "Foo" in the monodix, but "foo" in
       the bidix, an analysis "^Foo<tag>$" would pass through bidix when doing  lt-proc  -b,  but
       will  not  make it through trimming. Make sure your lemmas have the same capitalisation in
       the different dictionaries. Also, you should not have literal `+' or `#' in  your  lemmas.
       Since  lt-comp  doesn't  escape  these,  lt-trim  cannot know that they are different from
       `<j/>' or `<g/>', and you may get @-marked output this way. You can analyse `+' or `#'  by
       having  the  literal  symbol  in the `<l>' part and some other string (e.g. "plus") in the
       `<r>'.

       You should not trim a generator unless you have a very simple translator  pipeline,  since
       the output of bidix seldom goes unchanged through transfer.

FILES

       analyser_binary The untrimmed analyser dictionary (a finite state transducer).

       bidix_binary The dictionary to use as trimmer (a finite state transducer).

       trimmed_analyser_binary The trimmed analyser dictionary (a finite state transducer).

SEE ALSO

       lt-comp(1), lt-proc(1), lt-print(1), lt-expand(1), apertium-tagger(1), apertium(1).

BUGS

       Lots of...lurking in the dark and waiting for you!

AUTHOR

       (c) 2013--2014 Universitat d'Alacant / Universidad de Alicante.

                                            2014-02-07                                 lt-trim(1)