git-gui: support underline style when parsing diff output

Suggested-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>

2 files changed, 2 insertions, 1 deletions

diff --git a/git-gui.sh b/git-gui.sh
index 21033cb0bb..789c177b3b 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -3376,6 +3376,7 @@ foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 gr
 	$ui_diff tag configure clri3$n -background $c
 }
 $ui_diff tag configure clr1 -font font_diffbold
+$ui_diff tag configure clr4 -underline 1
 
 $ui_diff tag conf d_info -foreground blue -font font_diffbold
 
diff --git a/lib/diff.tcl b/lib/diff.tcl
index cf8a95ec34..39e4d909b8 100644
--- a/lib/diff.tcl
+++ b/lib/diff.tcl
@@ -504,7 +504,7 @@ proc read_diff {fd conflict_size cont_info} {
 			set prefix clr
 			foreach style [split $colbegin ";"] {
 				if {$style eq "7"} {append prefix i; continue}
-				if {$style < 30 || $style > 47} {continue}
+				if {$style != 4 && ($style < 30 || $style > 47)} {continue}
 				set a "$mark linestart + $posbegin chars"
 				set b "$mark linestart + $posend chars"
 				catch {$ui_diff tag add $prefix$style $a $b}