If the argument is a list, use its separator in function append.

utkarshkukreti · utkarshkukreti · commit dfb2287c749d · 2014-03-04T19:58:05.000+05:30
diff --git a/functions.cpp b/functions.cpp
@@ -854,7 +854,7 @@ namespace Sass {
         l = new (ctx.mem) List(path, position, 1);
         *l << ARG("$list", Expression);
       }
-      List* result = new (ctx.mem) List(path, position, l->length() + 1);
+      List* result = new (ctx.mem) List(path, position, l->length() + 1, l->separator());
       string sep_str(unquote(sep->value()));
       if (sep_str == "space") result->separator(List::SPACE);
       else if (sep_str == "comma") result->separator(List::COMMA);

Original file line number	Diff line number	Diff line change
`@@ -854,7 +854,7 @@ namespace Sass {`
`854`	`854`	`l = new (ctx.mem) List(path, position, 1);`
`855`	`855`	`*l << ARG("$list", Expression);`
`856`	`856`	`}`
`857`		`- List* result = new (ctx.mem) List(path, position, l->length() + 1);`
	`857`	`+ List* result = new (ctx.mem) List(path, position, l->length() + 1, l->separator());`
`858`	`858`	`string sep_str(unquote(sep->value()));`
`859`	`859`	`if (sep_str == "space") result->separator(List::SPACE);`
`860`	`860`	`else if (sep_str == "comma") result->separator(List::COMMA);`