From 369300b7f9c815a4c56b5fbc896cb864a136c5a9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andr=C3=A9=20Wobst?= <wobsta@users.sourceforge.net>
Date: Sat, 13 Feb 2016 00:05:47 +0000
Subject: [PATCH] improve error handling when input cannot be encoded by texenc

git-svn-id: http://svn.code.sf.net/p/pyx/code/trunk/pyx@3674 a4f5e268-e194-4f32-bce1-d30804cbbcc5
---
 CHANGES     | 4 ++++
 pyx/text.py | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/CHANGES b/CHANGES
index d103afae..d8f885f8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+0.15 (2016/xx/xx):
+  - text module:
+    - improve error handling when input cannot be encoded by texenc
+
 0.14.1 (2015/11/02):
   - distribution:
     - upload to PyPI (including old releases)
diff --git a/pyx/text.py b/pyx/text.py
index 687228a3..b153142a 100644
--- a/pyx/text.py
+++ b/pyx/text.py
@@ -1064,6 +1064,12 @@ class SingleRunner:
             self.texoutput.expect(None)
             self.texinput.write(expr)
         else:
+
+            # test to encode expr early to not pile up expected results
+            # if the expression won't make it to the texinput at all
+            # (which would otherwise harm a proper cleanup)
+            expr.encode(self.texenc)
+
             if oldstate == newstate == STATE_TYPESET:
                 self.page += 1
                 expr = "\\ProcessPyXBox{%s%%\n}{%i}" % (expr, self.page)
-- 
2.11.4.GIT