Issue #18038: SyntaxError raised during compilation sources with illegal

encoding now always contains an encoding name.

diff --cc Misc/NEWS
index b337d4846783d835ca4d45eafb67f96f679633aa,dae9ff74106ddcc3c36f1ebdcdc083c6b809866b..b6cf7c9e9ff5522ce75760e2b71c04ba3efbb6b0
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -10,26 -12,9 +10,29 @@@ What's New in Python 3.4.0 Alpha 1
  Core and Builtins
  -----------------
  
+ - Issue #18038: SyntaxError raised during compilation sources with illegal
+   encoding now always contains an encoding name.
+ 
 +- Issue #17931: Resolve confusion on Windows between pids and process
 +  handles.
 +
 +- Tweak the exception message when the magic number or size value in a bytecode
 +  file is truncated.
 +
 +- Issue #17932: Fix an integer overflow issue on Windows 64-bit in iterators:
 +  change the C type of seqiterobject.it_index from long to Py_ssize_t.
 +
 +- Issue #18065: Don't set __path__ to the package name for frozen packages.
 +
 +- Issue #18088: When reloading a module, unconditionally reset all relevant
 +  attributes on the module (e.g. __name__, __loader__, __package__, __file__,
 +  __cached__).
 +
 +- Issue #17937: Try harder to collect cyclic garbage at shutdown.
 +
 +- Issue #12370: Prevent class bodies from interfering with the __class__
 +  closure.
 +
  - Issue #17644: Fix a crash in str.format when curly braces are used in square
    brackets.
  

diff --cc Parser/tokenizer.c
Simple merge