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-rw-r--r--Lib/email/FeedParser.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/email/FeedParser.py b/Lib/email/FeedParser.py
index 690b7c2..f514728 100644
--- a/Lib/email/FeedParser.py
+++ b/Lib/email/FeedParser.py
@@ -27,7 +27,9 @@ NLCRE = re.compile('\r\n|\r|\n')
NLCRE_bol = re.compile('(\r\n|\r|\n)')
NLCRE_eol = re.compile('(\r\n|\r|\n)$')
NLCRE_crack = re.compile('(\r\n|\r|\n)')
-headerRE = re.compile(r'^(From |[-\w]{2,}:|[\t ])')
+# RFC 2822 $3.6.8 Optional fields. ftext is %d33-57 / %d59-126, Any character
+# except controls, SP, and ":".
+headerRE = re.compile(r'^(From |[\041-\071\073-\176]{2,}:|[\t ])')
EMPTYSTRING = ''
NL = '\n'