add docstring to write more detail of 'key' of index node

This commit is contained in:
shimizukawa 2016-05-25 22:59:03 +09:00
parent 9cd5ba994c
commit 03af1ca4dd

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@ -120,6 +120,10 @@ class index(nodes.Invisible, nodes.Inline, nodes.TextElement):
target, ignored, key)``.
*entrytype* is one of "single", "pair", "double", "triple".
*key* is categolziation characters (usually it is single character) for
general index page. For the detail of this, please see also:
:rst:directive:`glossary` and issue #2320.
"""