Split output argument group per format.

apachedex/__init__.py

@@ -1019,7 +1019,7 @@ def main():
       'correction is made. Output may be unusable (ex: different --apdex, '
       'different --period, ...).')
 
-  group = parser.add_argument_group('generated content')
+  group = parser.add_argument_group('generated content (all formats)')
   group.add_argument('-a', '--apdex', default=1.0, type=float,
     help='First threshold for Apdex computation, in seconds. '
       'Default: %(default).2fs')
@@ -1033,6 +1033,8 @@ def main():
       'performance, as each period increase requires re-dispatching already '
       'processed data. To mitigate this, provide earliest and latest log '
       'files before all others (ex: log0 log3 log1 log2).')
+
+  group = parser.add_argument_group('generated content (html)')
   group.add_argument('-s', '--stats', action='store_true',
     help='Enable parsing stats (time spent parsing input, time spent '
       'generating output, ...)')
@@ -1040,10 +1042,9 @@ def main():
     # Force embedding when file container is unknown (ex: pkg_resources).
     # XXX: allow when --js is also provided ?
     group.add_argument('--js', default=abs_file_container,
-      help='Folder containing needed js files when format is "html". '
-        'Default: %(default)s')
+      help='Folder containing needed js files. Default: %(default)s')
     group.add_argument('--js-embed', action='store_true',
-      help='Embed js files instead of linking to them when format is "html".')
+      help='Embed js files instead of linking to them.')
 
   group = parser.add_argument_group('site matching', 'Earlier arguments take '
     'precedence. For example: --skip-base "/foo/bar(/|$|\\?)" '