From c057a79cf3583b3c6b7ce824a1281b32c5287f21 Mon Sep 17 00:00:00 2001
From: Philipp Takacs <philipp@bureaucracy.de>
Date: Sun, 1 Jan 2017 21:57:07 +0100
Subject: [PATCH] make dateparsing case insensitive

Acourding to RFC 5322 and 5234 the date field
is case insenitive
---
 sbr/dtimep.lex |   38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/sbr/dtimep.lex b/sbr/dtimep.lex
index 4f07aac..340abf1 100644
--- a/sbr/dtimep.lex
+++ b/sbr/dtimep.lex
@@ -125,28 +125,28 @@ zonehack (struct tws *tw)
 #endif /* ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST */
 %}
 
-sun	([Ss]un(day)?)
-mon	([Mm]on(day)?)
-tue	([Tt]ue(sday)?)
-wed	([Ww]ed(nesday)?)
-thu	([Tt]hu(rsday)?)
-fri	([Ff]ri(day)?)
-sat	([Ss]at(urday)?)
+sun	([Ss][Uu][Nn]([Dd][Aa][Yy])?)
+mon	([Mm][Oo][Nn]([Dd][Aa][Yy])?)
+tue	([Tt][Uu][Ee]([Ss][Dd][Aa][Yy])?)
+wed	([Ww][Ee][Dd]([Nn][Ee][Ss][Dd][Aa][Yy])?)
+thu	([Tt][Hh][Uu]([Rr][Ss][Dd][Aa][Yy])?)
+fri	([Ff][Rr][Ii]([Dd][Aa][Yy])?)
+sat	([Ss][Aa][Tt]([Uu][Rr][Dd][Aa][Yy])?)
 
 DAY	({sun}|{mon}|{tue}|{wed}|{thu}|{fri}|{sat})
 
-jan	([Jj]an(uary)?)
-feb	([Ff]eb(ruary)?)
-mar	([Mm]ar(ch)?)
-apr	([Aa]pr(il)?)
-may	([Mm]ay)
-jun	([Jj]un(e)?)
-jul	([Jj]ul(y)?)
-aug	([Aa]ug(ust)?)
-sep	([Ss]ep(tember)?)
-oct	([Oo]ct(ober)?)
-nov	([Nn]ov(ember)?)
-dec	([Dd]ec(ember)?)
+jan	([Jj][Aa][Nn]([Uu][Aa][Rr][Yy])?)
+feb	([Ff][Ee][Bb]([Rr][Uu][Aa][Rr][Yy])?)
+mar	([Mm][Aa][Rr]([Cc][Hh])?)
+apr	([Aa][Pp][Rr]([Ii][Ll])?)
+may	([Mm][Aa][Yy])
+jun	([Jj][Uu][Nn]([Ee])?)
+jul	([Jj][Uu][Ll]([Yy])?)
+aug	([Aa][Uu][Gg]([Uu][Ss][Tt])?)
+sep	([Ss][Ee][Pp]([Tt][Ee][Mm][Bb][Ee][Rr])?)
+oct	([Oo][Cc][Tt]([Oo][Bb][Ee][Rr])?)
+nov	([Nn][Oo][Vv]([Ee][Mm][Bb][Ee][Rr])?)
+dec	([Dd][Ee][Cc]([Ee][Mm][Bb][Ee][Rr])?)
 
 MONTH	({jan}|{feb}|{mar}|{apr}|{may}|{jun}|{jul}|{aug}|{sep}|{oct}|{nov}|{dec})
 
-- 
1.7.10.4