lib/lrama/option_parser.rb in lrama-0.5.6 vs lib/lrama/option_parser.rb in lrama-0.5.7

@@ -50,15 +50,19 @@
           Lrama is LALR (1) parser generator written by Ruby.
 
           Usage: lrama [options] FILE
         BANNER
         o.separator ''
+        o.separator 'STDIN mode:'
+        o.separator 'lrama [options] - FILE               read grammar from STDIN'
+        o.separator ''
         o.separator 'Tuning the Parser:'
         o.on('-S', '--skeleton=FILE', 'specify the skeleton to use') {|v| @options.skeleton = v }
         o.on('-t', 'reserved, do nothing') { }
         o.separator ''
         o.separator 'Output:'
-        o.on('-h', '--header=[FILE]', 'also produce a header file named FILE') {|v| @options.header = true; @options.header_file = v }
+        o.on('-H', '--header=[FILE]', 'also produce a header file named FILE') {|v| @options.header = true; @options.header_file = v }
+        o.on('-h=[FILE]', 'also produce a header file named FILE (deprecated)') {|v| @options.header = true; @options.header_file = v }
         o.on('-d', 'also produce a header file') { @options.header = true }
         o.on('-r', '--report=THINGS', Array, 'also produce details on the automaton') {|v| @report = v }
         o.on('--report-file=FILE', 'also produce details on the automaton output to a file named FILE') {|v| @options.report_file = v }
         o.on('-o', '--output=FILE', 'leave output to FILE') {|v| @options.outfile = v }
         o.on('--trace=THINGS', Array, 'also output trace logs at runtime') {|v| @trace = v }