Quote:
Originally Posted by Turtle91
Really?!?! That seems awfully strange. What purpose do they serve - other than to separate paragraphs? Are they to space out the words??
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They serve the very purpose they are intended for: to make a space non-breakable at line end.
Things like "We met at 2_PM", "This is Mr._Smith", "That was April_1st", etc. benefit from a non-breaking space in the place of the underscore. It is much better with real typesetting, though, because the whole paragraph can be adjusted in order to avoid the linebreaks at those points, and you don't actually notice that it was done. With current HTML (and ePub) renderer, however, it can often result in very large whitespaces in the line, so it is sometimes preferable to have those odd linebreaks instead.