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-rw-r--r--doc/src/sgml/installation.sgml8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index 673ec243eaa..1dee8f4ccba 100644
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -203,8 +203,12 @@ su - postgres
language, you need a <productname>Python</productname>
installation with the header files and
the <application>distutils</application> module. The minimum
- required version is <productname>Python</productname>
- 2.3. <productname>Python 3</productname> is supported if it's
+ required version is <productname>Python</productname> 2.3.
+ For full functionality, a 2.3.x installation must include the
+ separately-available <filename>cdecimal</> module; in particular
+ the <application>PL/Python</> regression tests will not pass if that
+ is missing.
+ <productname>Python 3</productname> is supported if it's
version 3.1 or later; but see
<![%standalone-include[the <application>PL/Python</> documentation]]>
<![%standalone-ignore[<xref linkend="plpython-python23">]]>