1 files changed, 13 insertions(+), 4 deletions(-)

M array.c

@@ 152,6 152,15 @@ printarray(Array *a)
 }
 
 static int
+addspace(char *p)
+{
+	if(*(p-1) == ' ')
+		return 0;
+	else
+		return sprint(p, " ");
+}
+
+static int
 printexpr(char *start, Ast *e, int left)
 {
 	if(e == nil)


@@ 173,11 182,11 @@ printexpr(char *start, Ast *e, int left)
 
 	switch(e->tag){
 	case AstName:
-		if(left)
-			p += sprint(p, " ");
+		if(!left)
+			p += addspace(p);
 		p += sprint(p, "%s", e->name);
 		if(left)
-			p += sprint(p, " ");
+			p += addspace(p);
 		break;
 	case AstAssign:
 		p += printexpr(p, e->left, 0);


@@ 202,7 211,7 @@ printexpr(char *start, Ast *e, int left)
 	case AstStrand:
 		for(uvlong i = 0; i < e->childcount; i++){
 			if(i != 0)
-				p += sprint(p, " ");
+				p += addspace(p);
 			p += printexpr(p, e->children[i], 1);
 		}
 		break;