Parse inline table cell separators properly

parsePage.lua

@@ -54,7 +54,9 @@ local grammar = re.compile([=[
 
 	TableCell           <- (TableCellSep {| (Attr* Space '|')? |} Blank? {| (TableCellText / NonText)* |})
 	                    -> TableCell
-	TableCellSep  <- Space %nl Blank ('|' !('-' / '}') / '!')
+	TableCellSep        <- Space (TableCellNewlineSep / TableCellInlineSep)
+	TableCellNewlineSep <- %nl Blank ('|' !('-' / '}') / '!')
+	TableCellInlineSep  <- '||' / '!!'
 	TableCellText       <- {| ({ (!(TableCellSep / TableRowSep / TableEnd / NonText / SpecialChar) .)+ } / SpecialChar)+ |} -> Text
 
 	SpecialChar <- '&' [a-zA-Z0-9]+ -> SpecialChar ';'