To write the Verbs element (Vb) in the index.

§1. This is an uninspired corner of the index, but it's hard to think what would be more usefully informative.

void VerbsElement::render?Usage of VerbsElement::render:
The Periodic Table - §4(OUTPUT_STREAM, index_session *session) {
    localisation_dictionary *LD = Indexing::get_localisation(session);
    HTML_OPEN("p");
    Localisation::italic(OUT, LD, I"Index.Elements.Vb.About");
    HTML_CLOSE("p");

    int verb_count = 0;
    inter_lexicon *lexicon = Indexing::get_lexicon(session);
    for (index_lexicon_entry *lex = lexicon->first; lex; lex = lex->sorted_next)
        if ((lex->part_of_speech == VERB_TLEXE) ||
            (lex->part_of_speech == MVERB_TLEXE) ||
            (lex->part_of_speech == PREP_TLEXE)) {
            text_stream *entry_text = lex->lemma;
            HTML_OPEN_WITH("p", "class=\"hang\"");
            IndexUtilities::anchor_numbered(OUT, 10000+verb_count++);  anchors from 10000: see above
            text_stream *key;
            if (lex->part_of_speech == VERB_TLEXE) key = I"Index.Elements.Vb.To";
            else if (lex->part_of_speech == MVERB_TLEXE) key = I"Index.Elements.Vb.To";
            else if (lex->part_of_speech == PREP_TLEXE) key = I"Index.Elements.Vb.ToBe";
            else key = I"Index.Elements.Vb.ToBeAbleTo";
            Localisation::roman_t(OUT, LD, key, entry_text);
            IndexUtilities::link_package(OUT, lex->lex_package);
            WRITE(" ... ");
            if (lex->part_of_speech == MVERB_TLEXE)
                Localisation::italic(OUT, LD, I"Index.Elements.Vb.ForSayingOnly");
            else WRITE("%S", Metadata::optional_textual(lex->lex_package, I"^meaning"));
            HTML_CLOSE("p");
            VerbsElement::tabulate(OUT, lex, I"^present", I"Index.Elements.Vb.Present", LD);
            VerbsElement::tabulate(OUT, lex, I"^past", I"Index.Elements.Vb.Past", LD);
            VerbsElement::tabulate(OUT, lex, I"^present_perfect", I"Index.Elements.Vb.Perfect", LD);
            VerbsElement::tabulate(OUT, lex, I"^past_perfect", I"Index.Elements.Vb.PastPerfect", LD);
        }
}

void VerbsElement::tabulate(OUTPUT_STREAM, index_lexicon_entry *lex, text_stream *key,
    text_stream *tense, localisation_dictionary *LD) {
    text_stream *val = Metadata::optional_textual(lex->lex_package, key);
    if (Str::len(key) > 0) {
        HTML::open_indented_p(OUT, 2, "tight");
        WRITE("<i>");
        Localisation::italic(OUT, LD, tense);
        WRITE("</i>&nbsp;%S", val);
        HTML_CLOSE("p");
    }
}