Introduce en@cyrillic en@hebrew en@arabic and en@greek.

* po/Rules-translit: New file.
	* po/arabic.sed: Likewise.
	* po/cyrillic.sed: Likewise.
	* po/greek.sed: Likewise.
	* po/hebrew.sed: Likewise.
	* po/README: Add en@cyrillic en@hebrew en@arabic and en@greek.
	* po/Makefile.in.in: Add extra_dist4.

po/greek.sed

@@ -0,0 +1,30 @@
+/^Project-Id-Version:/ b
+/^Report-Msgid-Bugs-To:/ b
+/^POT-Creation-Date:/ b
+/^PO-Revision-Date:/ b
+/^Last-Translator:/ b
+/^Language-Team:/ b
+/^Language:/ b
+/^MIME-Version:/ b
+/^Content-Type:/ b
+/^Content-Transfer-Encoding:/ b
+/^Plural-Forms:/ b
+
+s,%\([0-9]*\)C,%\1#,g
+
+y,abcdefghijklmnopqrstuvwxyz,αϭϲδεφγχιϊκλμνοπϗρστυβωξϋζ,
+y,ABCDEFGHIJKLMNOPQRSTUVWXYZ,ΑϬϲΔΕΦΓΧΙΪΚΛΜΝΟΠϏΡΣΤΥΒΩΞΫΖ,
+
+s,%\([0-9]*\)#,%\1C,g
+s,%\([0-9]*\)ϲ,%\1c,g
+s,%\([0-9]*\)δ,%\1d,g
+s,%\([0-9]*\)λδ,%\1ld,g
+s,%\([0-9]*\)λλδ,%\1lld,g
+
+s,%\([0-9\.\*]*\)σ,%\1s,g
+s,%\([0-9]*\)λυ,%\1lu,g
+s,%\([0-9]*\)υ,%\1u,g
+s,%\([0-9]*\)λλυ,%\1llu,g
+s,%\([0-9]*\)ξ,%\1x,g
+s,%\([0-9]*\)λξ,%\1lx,g
+s,%\([0-9]*\)λλξ,%\1llx,g