I mentioned already a similar thing with German quotes („ and “), where the second closing one can trigger a line break, but it shouldn't.
Similar case for (all kinds of) parentheses inside words (entered by accident or deliberately). See here:
This kind of line break can trigger a number of annoying errors.
Another, but limited solution would be a kind of QA for it (well, limited because in rare cases these parentheses inside words can be used). The only character that should be allowed to trigger line breaks between letters is a -
Some heavy quirks when coming to line breaks (native Excel project):
In the following example, the missing space could be overseen.