python · mark99i · Nov 7, 2019 · Nov 8, 2019
diff --git a/Lib/configparser.py b/Lib/configparser.py
@@ -563,7 +563,7 @@ class RawConfigParser(MutableMapping):
    # Regular expressions for parsing section headers and options
    _SECT_TMPL = r"""
        \[                                 # [
-        (?P<header>[^]]+)                  # very permissive!
+        (?P<header>.*)                     # very permissive!
        \]                                 # ]
        """
    _OPT_TMPL = r"""

diff --git a/Misc/NEWS.d/next/Library/2019-11-08-06-08-42.bpo-38741.pShzDL.rst b/Misc/NEWS.d/next/Library/2019-11-08-06-08-42.bpo-38741.pShzDL.rst
@@ -0,0 +1,3 @@
+in example header is "[i love [python] lang]"
+parse as "i love [python", only up to the first character ']'.
+now saving works correctly, but reading does not