Steps: 1. Open an image file 2. Click on the zoom combo box 3. Erase the percent sign, and try to enter a value Expected: 1. Starting with the percent sign, all characters should be erased via Backspace 2. The number entry should be seamless 3. Upon pressing Return/Enter, a percent sign should be appended Actual: 1. Instead of erasing the sign and the numbers, the numbers are selected 2. Entering new value does not work, or works very erroneously For a clean and working-out-of-the-box experience, the 23.08 version of Okular works as expected.