Document that python 2.2.0 is required.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_4_X@15255 a592a061-630c-0410-9148-cb99ea01b6c8

INSTALL.scons

@@ -30,8 +30,8 @@ Prerequisites:
 --------------
 
 * Python:
-  Python >= 1.5.2 is required to run scons, but Python >= 2.3 is used by
-  lyx itself so the newer version is needed. Python is widely
+  Python >= 1.5.2 is required to run scons, but Python >= 2.2.0 is used by
+  LyX itself so the newer version is needed. Python is widely
   available on non-windows systems. Windows users can download and install
   python from http://www.python.org.
 

UPGRADING

@@ -76,7 +76,7 @@ written using previous versions of LyX. All versions of LyX as far back as
 0.12 are supported, so any klyx users still holding out for an alternative
 to xforms will finally be able to put their dinosaur to rest ;-)
 
-Of course, this means that you must have python (at least version 1.5.2)
+Of course, this means that you must have python (at least version 2.2.0)
 installed in order to use LyX 1.4.x with your old documents.
 
 lyx2lyx also has the framework in place to be able to convert documents

configure.ac

@@ -49,7 +49,7 @@ fi
 AC_CHECK_PROGS(M4, gm4 gnum4 m4, m4)
 
 # Check for installed python
-AM_PATH_PYTHON(1.5.2,, :)
+AM_PATH_PYTHON(2.2,, :)
 
 # Work around a problem in automake 1.4: when invoking install-strip,
 # INSTALL_PROGRAM is changed to 'install -s', and since

status.14x

@@ -53,4 +53,4 @@ What's new
 
 * Miscellaneous
 
-
+- The minimum required python version is now 2.2.0.