Simplify usage string

src/cmdargs.py

@@ -173,6 +173,11 @@ def add_common_args(parser_or_group: ArgumentParser) -> None:
 
 def prepare_arglist_ids(args: Sequence[str]) -> Namespace:
     parser, par_file, par_cmd = create_parsers()
+    par_cmd.usage = (
+        '\n       ids.py -start #number -end #number [options...] [extra tags...]'
+        '\n       ids.py -start #number -count #number [options...] [extra tags...]'
+        '\n       ids.py --use-id-sequence [options...] [extra tags...]'
+    )
 
     par_file.add_argument('-path', metavar='#filepath', required=True, help=HELP_ARG_CMDFILE, type=valid_filepath_abs)
     arggr_start_or_seq = par_cmd.add_mutually_exclusive_group(required=True)
@@ -190,6 +195,11 @@ def prepare_arglist_ids(args: Sequence[str]) -> Namespace:
 
 def prepare_arglist_pages(args: Sequence[str]) -> Namespace:
     parser, par_file, par_cmd = create_parsers()
+    par_cmd.usage = (
+        '\n       pages.py -start #number -end #number [options...] [extra tags...]'
+        '\n       pages.py -start #number -pages #number [options...] [extra tags...]'
+        '\n       pages.py -get_maxid [options...] [extra tags...]'
+    )
 
     par_file.add_argument('-path', metavar='#filepath', required=True, help=HELP_ARG_CMDFILE, type=valid_filepath_abs)
     par_cmd.add_argument('-start', metavar='#number', default=1, help=HELP_ARG_PAGE_START, type=positive_nonzero_int)

src/scenario.py

@@ -35,7 +35,7 @@ def __init__(self, subfolder: str, extra_tags: list[str], quality: Quality, dura
         self.minrating: int = minrating or 0
         self.minscore: int | None = minscore
         self.untagged_policy: str = utp or ''
-        self.id_sequence: list[int] = id_sequence or []
+        self.id_sequence: list[int] = id_sequence or list()
 
     @property
     def utp(self) -> str:

src/version.py

@@ -9,7 +9,7 @@
 APP_NAME = 'NM'
 APP_VER_MAJOR = '1'
 APP_VER_SUB = '8'
-APP_REVISION = '458'
+APP_REVISION = '459'
 APP_VERSION = f'{APP_VER_MAJOR}.{APP_VER_SUB}.{APP_REVISION}'
 
 #