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In Firefox 3, the Location Bar received a number of improvements. Among those improvements was the move to a XUL richlistbox widget for the auto-complete dropdown. This allowed styled URL/title information, favicons, and highlighted match information.

When highlighting matched text, only the first portion of the text is checked. This preference determines how many characters into the text will be searched for matches.

Possible values and their effects

A non-negative integer determining how much of the text to search for matched text, specified as the number of characters from the beginning. Default is 200.

Recommended settings

  • Setting this value to 200 (or lower) allows matches in extremely long query strings to be ignored and helps improve performance.

First checked in

2008-03-20 by Edward Lee

Has an effect in

  • Firefox (nightly builds since 2008-03-20)

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