Comment 2 for bug 1010189

Confirmed in 12.10. This is a theming issue as Adwaita correctly shows the highlight.

To reproduce:
1. Open gucharmap
2. Select a character in the map
3. Open search dialog with Ctrl+F
Expected result:
Character is still highlighted
Observed result:
Character is no longer highlighted.

It appears the theme is not rendering any highlight when the window has lost focus. Refocussing the window (i.e. clicking the top bar) correctly shows a highlight.