allow transparent backslash escaping in title, fixes #143

acrylamid/readers.py

@@ -463,15 +463,16 @@ class Entry(ContentMixin, MetadataMixin, FileReader):
 def unsafe(string):
     """Try to remove YAML string escape characters safely from `string`.
 
-    ---
-    title: "AttributeError: queryMethodId" when creating an object
-    ---
+    Title: "AttributeError: get\_id" when creating an object
 
-    should retain the quotations around AttributeError."""
+    Should retain the quotations around AttributeError. Single backslashes
+    are removed if not preceded by another backslash."""
 
     if len(string) < 2:
         return string
 
+    string = re.sub(r'\\\\', r'\\', re.sub(r'([^\\]|^)\\([^\\])', r'\1\2', string))
+
     for char in "'", '"':
         if string == 2*char:
             return ''

acrylamid/specs/readers.py

@@ -90,6 +90,14 @@ def quotes():
     assert distinguish("\"'bout \" and '\"") == "'bout \" and '"
 
 
+@tt.test
+def backslash():
+
+    assert distinguish('\\_bar') == '_bar'
+    assert distinguish('foo\\_') == 'foo_'
+    assert distinguish('foo\\\\bar') == 'foo\\bar'
+
+
 @tt.test
 def ignore():