shithub: vdiff

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fix utf8 not rendering properly (thanks igor)

	All characters were treated as ascii leading to wrong rendering when
	diff contained multi-byte characters.
	We now use Rune instead of chars which fixes all rendering.

--- a/vdiff.c

+++ b/vdiff.c

@@ -55,6 +55,7 @@

 {

 	Image *bg;

 	Point p;

+	Rune  rn;

 	char *s;

 	bg = cols[l->t];

@@ -66,8 +67,10 @@

 		else if((p.x+Hpadding+stringwidth(font, " ")+stringwidth(font, ellipsis)>=textr.max.x)){

 			string(screen, p, display->black, ZP, font, ellipsis);

 			break;

-		}else

-			p = stringn(screen, p, display->black, ZP, font, s, 1);

+		}else{

+			s += chartorune(&rn, s) - 1;

+			p = runestringn(screen, p, display->black, ZP, font, &rn, 1);

+		}

 	}

 }