As Brent points out, you cannot always do this. The best you can do is to tell TeX that it's infinitely bad for these to appear: \widowpenalty \clubpenalty.
yeovilcatsprotection.info › FAQ-widows.
The (La)TeX page maker, when forming a page, takes account of variables \widowpenalty and \clubpenalty (which relates to orphans!). These penalties are.
penalties to widow and orphan lines (\widowpenalty and \clubpenalty), we can LATEX, but if the value is lowered it becomes possible, and thus a possible.
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