(isearch-fail): Use "RosyBrown1" for a light
background, "red4" for a dark background, "red" for 16 and 8 colors, "grey" for grayscale, and inverse video otherwise. Add :version tag. (isearch-message): Keep the original isearch-message intact, and add text properties to it where necessary. Add `isearch-error' to the condition that checks if isearch is unsuccessful.
Showing with 45 additions and 17 deletions