* revtex4.layout : Adapt the various Affiliation styles. Also

add the Collaboration style supported by REVTeX4.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39162 a592a061-630c-0410-9148-cb99ea01b6c8

lib/layouts/revtex4.layout

@@ -148,13 +148,26 @@ Style Affiliation
 End
 
 
-Style AltAffiliation
+Style Affiliation_(alternate)
 	CopyStyle             Affiliation
 	PassThru              1
 	ParbreakIsNewline     1
 	LatexName             altaffiliation
 	OptionalArgs          1
-	LabelString           "AltAffiliation"
+	LabelString           "Affiliation (alternate):"
+End
+
+
+Style Affiliation_(none)
+	CopyStyle             Affiliation
+	KeepEmpty             1
+	LabelString           "No affiliation"
+	LatexName             noaffiliation%
+End
+
+
+Style AltAffiliation
+	ObsoletedBy           Affiliation_(alternate)
 End
 
 
@@ -167,6 +180,13 @@ Style Address
 End
 
 
+Style Collaboration
+	CopyStyle             Affiliation
+	LatexName             collaboration
+	LabelString           "Collaboration:"
+End
+
+
 Style Thanks
 	CopyStyle             Affiliation
 	LatexName             thanks