Fix disappearing blue language underline.

Make sure that the blue language underline is not below the bottom of
the row. Otherwise, it can disappear when the next row is painted.

(cherry picked from commit 8e9e050670)

src/RowPainter.cpp

@@ -149,8 +149,8 @@ void RowPainter::paintForeignMark(Row::Element const & e) const
 		return;
 
 	int const desc = e.inset ? e.dim.descent() : 0;
-	int const y = yo_ + pi_.base.solidLineOffset()
-		+ desc + pi_.base.solidLineThickness() / 2;
+	int const y = yo_ + min(3 * pi_.base.solidLineOffset() / 2 + desc,
+	                        row_.descent() - 1);
 	pi_.pain.line(int(x_), y, int(x_ + e.full_width()), y, Color_language,
 	              Painter::line_solid, pi_.base.solidLineThickness());
 }

status.23x

@@ -98,6 +98,8 @@ What's new
 
 - Fix issues with dead key accents (bug 11183).
 
+- Fix disappearance of blue (language) line in some situations.
+
 
 
 * INTERNALS