Issue #7928: Document str.format element_index better.

2010-02-25 14:26:33 +00:00 · 2010-02-25 14:26:33 +00:00 · 271b7e1abb
parent de8b2ac332
commit 271b7e1abb
1 changed files with 2 additions and 1 deletions
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@ -226,7 +226,8 @@ The grammar for a replacement field is as follows:
      field_name: arg_name ("." `attribute_name` | "[" `element_index` "]")*
      arg_name: (`identifier` | `integer`)?
      attribute_name: `identifier`
-      element_index: `integer`
+      element_index: `integer` | `index_string`
+      index_string: <any source character except "]"> +
      conversion: "r" | "s"
      format_spec: <described in the next section>