use rich markup for PEP reference (GH-7939)

it's better to refer to PEP with `pep` role in reStructuredText. It also links to the PEP page.

use rich markup for PEP reference (GH-7939)
it's better to refer to PEP with `pep` role in reStructuredText. It also links to the PEP page.
df748c20 · Behzad B. Mokhtari · Benjamin Peterson · e7d3cccd · df748c20
Kaydet (Commit) df748c20 authored Haz 27, 2018 tarafından Behzad B. Mokhtari Kaydeden (comit) Benjamin Peterson Haz 27, 2018
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modules.rst Doc/tutorial/modules.rst +1 -1

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--- a/Doc/tutorial/modules.rst
+++ b/Doc/tutorial/modules.rst
@@ -249,7 +249,7 @@ Some tips for experts:
  directory.
 * There is more detail on this process, including a flow chart of the
-  decisions, in PEP 3147.
+  decisions, in :pep:`3147`.
 .. _tut-standardmodules: