fix: str-slice can't start at 0

See sass/sass-spec#1441 Closes #2920
sass · Jul 18, 2019 · 1c2ae95 · 1c2ae95
1 parent ac338df
commit 1c2ae95
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/fn_strings.cpp b/src/fn_strings.cpp
@@ -185,7 +185,7 @@ namespace Sass {
         if (end_at > size) { end_at = (double)size; }
         if (start_at < 0) {
           start_at += size + 1;
-          if (start_at < 0)  start_at = 0;
+          if (start_at <= 0) start_at = 1;
         }
         else if (start_at == 0) { ++ start_at; }