LayoutTests/fast/text/hyphenate-limit-lines.html

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<div style="-webkit-hyphenate-limit-lines: no-limit;">
    also the division of the mind into the rational, concupiscent, and
    irascible elements, or of pleasures and desires into necessary and
    unnecessary&mdash;these and other great forms of thought are all of them
    to be found in the Republic, and were probably first invented by
    Plato.
</div>

<div style="-webkit-hyphenate-limit-lines: 3;">
    also the division of the mind into the rational, concupiscent, and
    irascible elements, or of pleasures and desires into necessary and
    unnecessary&mdash;these and other great forms of thought are all of them
    to be found in the Republic, and were probably first invented by
    Plato.
</div>

<div style="-webkit-hyphenate-limit-lines: 2;">
    also the division of the mind into the rational, concupiscent, and
    irascible elements, or of pleasures and desires into necessary and
    unnecessary&mdash;these and other great forms of thought are all of them
    to be found in the Republic, and were probably first invented by
    Plato.
</div>

<div style="-webkit-hyphenate-limit-lines: 1;">
    also the division of the mind into the rational, concupiscent, and
    irascible elements, or of pleasures and desires into necessary and
    unnecessary&mdash;these and other great forms of thought are all of them
    to be found in the Republic, and were probably first invented by
    Plato.
</div>

<div style="-webkit-hyphenate-limit-lines: 0;">
    also the division of the mind into the rational, concupiscent, and
    irascible elements, or of pleasures and desires into necessary and
    unnecessary&mdash;these and other great forms of thought are all of them
    to be found in the Republic, and were probably first invented by
    Plato.
</div>