markup fixes

pep-0304.txt

@@ -62,6 +62,7 @@ Glossary
 - PYTHONBYTECODEBASE refers to the environment variable when necessary
   to distinguish it from "bytecode base".
 
+
 Locating bytecode files
 -----------------------
 
@@ -74,6 +75,7 @@ found there (either one does not exist or exists but is out-of-date)
 and the bytecode base is not None, a second probe is made using the
 directory in sys.path prefixed appropriately by the bytecode base.
 
+
 Writing bytecode files
 ----------------------
 
@@ -87,7 +89,7 @@ Defining augmented directories
 
 Conceptually, the augmented directory for a bytecode file is the
 directory in which the source file exists prefixed by the bytecode
-base.  In a Unix environment this would be:
+base.  In a Unix environment this would be::
 
     pcb = os.path.abspath(sys.pythonbytecodebase)
     if sourcefile[0] == os.sep: sourcefile = sourcefile[1:]
@@ -96,7 +98,7 @@ base.  In a Unix environment this would be:
 On Windows, which does not have a single-rooted directory tree, the
 drive letter of the directory containing the source file is treated as
 a directory component after removing the trailing colon.  The
-augmented directory is thus derived as
+augmented directory is thus derived as ::
 
     pcb = os.path.abspath(sys.pythonbytecodebase)
     drive, base = os.path.splitdrive(os.path.dirname(sourcefile))
@@ -109,7 +111,7 @@ Fixing the location of the bytecode base
 
 During program startup, the value of the PYTHONBYTECODEBASE
 environment variable is made absolute, checked for validity and added
-to the sys module, effectively:
+to the sys module, effectively::
 
     pcb = os.path.abspath(os.environ["PYTHONBYTECODEBASE"])
     try:
@@ -232,7 +234,7 @@ is not writable by the current user.
   bytecode file is written.
 
 In the Windows examples which follow, the urllib source code resides
-in ``C:\PYTHON22\urllib.py``.  ``C:\\PYTHON22`` is in sys.path but is
+in ``C:\PYTHON22\urllib.py``.  ``C:\PYTHON22`` is in sys.path but is
 not writable by the current user.
 
 - The bytecode base is set to ``C:\TEMP``.  ``C:\PYTHON22\urllib.pyc``
@@ -257,6 +259,7 @@ not writable by the current user.
   the augmented directory, creating intermediate directories as
   needed.
 
+
 References
 ==========