svn+ssh://pythondev@svn.python.org/python/trunk
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r78444 | eric.smith | 2010-02-25 09:26:33 -0500 (Thu, 25 Feb 2010) | 1 line
Issue #7928: Document str.format element_index better.
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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" | "a"
format_spec: <described in the next section>