Escape right square brackets (#187)

Author: jsm28

Diff for: markdownify/__init__.py

@@ -305,7 +305,7 @@ def process_text(self, el, parent_tags=None):
 
         # escape special characters if we're not inside a preformatted or code element
         if '_noformat' not in parent_tags:
-            text = self.escape(text)
+            text = self.escape(text, parent_tags)
 
         # remove leading whitespace at the start or just after a
         # block-level element; remove traliing whitespace at the end
@@ -347,11 +347,11 @@ def should_convert_tag(self, tag):
         else:
             return True
 
-    def escape(self, text):
+    def escape(self, text, parent_tags):
         if not text:
             return ''
         if self.options['escape_misc']:
-            text = re.sub(r'([\\&<`[>~=+|])', r'\\\1', text)
+            text = re.sub(r'([]\\&<`[>~=+|])', r'\\\1', text)
             # A sequence of one or more consecutive '-', preceded and
             # followed by whitespace or start/end of fragment, might
             # be confused with an underline of a header, or with a

Diff for: tests/test_escaping.py

@@ -51,7 +51,9 @@ def test_misc():
     assert md('-y', escape_misc=True) == '-y'
     assert md('+ x\n+ y\n', escape_misc=True) == '\\+ x\n\\+ y\n'
     assert md('`x`', escape_misc=True) == r'\`x\`'
-    assert md('[text](link)', escape_misc=True) == r'\[text](link)'
+    assert md('[text](notalink)', escape_misc=True) == r'\[text\](notalink)'
+    assert md('<a href="link">text]</a>', escape_misc=True) == r'[text\]](link)'
+    assert md('<a href="link">[text]</a>', escape_misc=True) == r'[\[text\]](link)'
     assert md('1. x', escape_misc=True) == r'1\. x'
     # assert md('1<span>.</span> x', escape_misc=True) == r'1\. x'
     assert md('<span>1.</span> x', escape_misc=True) == r'1\. x'