sane logging. remove sys.exit() calls (libraries should never ever call sys.exit()) and raise appropriate exceptions instead. backwards incompatible insofar as custom extensions may need tweaks if they're using old markdown logging (but they shouldn't, it was gross)

1 files changed, 1 insertions, 3 deletions

diff --git a/markdown/extensions/headerid.py b/markdown/extensions/headerid.py
index 5e9793e..6d64a43 100644
--- a/markdown/extensions/headerid.py
+++ b/markdown/extensions/headerid.py
@@ -67,8 +67,6 @@ Dependencies:
 
 import markdown
 from markdown.util import etree
-from logging import CRITICAL 
-from markdown.md_logging import message
 import re
 from string import ascii_lowercase, digits, punctuation
 
@@ -121,7 +119,7 @@ class HeaderIdProcessor(markdown.blockprocessors.BlockProcessor):
                 blocks.insert(0, after)
         else:
             # This should never happen, but just in case...
-            message(CRITICAL, "We've got a problem header!")
+            raise ValueError("Encountered a problem header: %r" % block)
 
     def _get_meta(self):
         """ Return meta data suported by this ext as a tuple """