(PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
Sets the distance between text lines. This will be used if text is output by cpdf_continue_text().
distance
pdf_document
The document handle, returned by cpdf_open().
The distance between text lines, as a float
如果成功则返回 TRUE,失败则返回 FALSE。