p>In plain-text input, multiple successive space and tab characters count as a single separator.
However, multiple comma, pipe, or semicolon characters are significant.
Successive comma, pipe, or semicolon characters (with or without intervening spaces or tabs)
are considered to have <code>false</code> between the separators.
For example, <code>1234,,Foo</code> is treated the same as <code>1234,false,Foo</code>.
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