span class="fu"><a href="../reference/text_filter.html">text_filter</a></span><span class="op">(</span><span class="va">text</span><span class="op">)</span><span class="op">)</span></code></pre></div>
<pre><code>Text filter with the following options:

    map_case: TRUE
    map_quote: TRUE
    remove_ignorable: TRUE
    combine: NULL
    stemmer: NULL
    stem_dropped: FALSE
    stem_except: NULL
    drop_letter: FALSE
    drop_number: FALSE
    drop_punct: FALSE
    drop_symbol: FALSE
    drop: NULL
    d