title: I cannot change the font size of package explorer in Eclipse
body: <p>I try to change the font size of package explorer in Eclipse from menu <em>Window</em> → <em>Preferences</em> → <em>General</em> → <em>Appearance</em>, and I fail to change the font size. How can I do that? I use Eclipse&nbsp;v4.2 (Juno) on Windows 7.</p>