<p>If the preference <em>Ensure new line at file end</em> is enabled, Geany adds a newline even to a completely empty file, so it’s impossible to save a file of 0 bytes.</p>
<p>While strictly speaking this does just what the preference label says, in practice the point of this feature, I think, is to ensure that <em>every line ends</em> with a newline, so it shouldn’t apply when there are no lines.</p>
<p>That’s what the other editors (nano, vi, emacs) do — they only add a newline to a non-empty file.</p>

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