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Editorial Team
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Asked: 2026-05-18T05:21:17+00:00

I have a page that uses the nabla character for bullets on a menu.

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I have a page that uses the nabla character for bullets on a menu. The code for it is ∇. However, on my machine as well as some others around the office, this character comes up as the null character, [], in IE. In Firefox, though, it displays the actual character. My question is whether there is a fix for this so I can make sure anyone viewing this site will see the actual character. Is there a browser font that needs to be installed on any machine that views this site, or is it an issue that can be fixed from my end.

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  1. Editorial Team

    The empty square character is not the null character, it is a visual placeholder – a representation of a Unicode character for which there is no associated glyph in the current font.

    There are couple of possible issues:

    • your page does not have explicit encoding associated with it and your IE is configured to use Win-1252 as default instead of Unicode.
    • the font family you specify in the CSS is missing on your computer and IE fallback font is different from Firefox and does not have tha babka char.

    Make sure your page explicitly specifies Unicode encoding and use the iE developer tools and Firebug to examine the actual rendered style for the bullet and see what font is being used by the two browsers.

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