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-rw-r--r--dimension/dimension.in4
1 files changed, 2 insertions, 2 deletions
diff --git a/dimension/dimension.in b/dimension/dimension.in
index b81f44b..f64cb60 100644
--- a/dimension/dimension.in
+++ b/dimension/dimension.in
@@ -52,7 +52,7 @@ _parser.add_argument("-h", "--height", action = "store", type = int,
default = 480, help = "image height")
_parser.add_argument("--region", action = "store", type = str,
default = None,
- help = "subregion to render, as \"((x1, y1), (x2, y2))\"")
+ help = "subregion to render, as \"(x1, y1)->(x2, y2)\"")
_parser.add_argument("-v", "--verbose", action = "store_true",
help = "print more information")
@@ -82,7 +82,7 @@ if _args.region is None:
_args.region_width = _args.width
_args.region_height = _args.height
else:
- _pattern = r"^\s*\(\s*\(\s*(\d*)\s*,\s*(\d*)\s*\)\s*,\s*\(\s*(\d*)\s*,\s*(\d*)\s*\)\s*\)\s*$"
+ _pattern = r"^\s*\(\s*(\d*)\s*,\s*(\d*)\s*\)\s*->\s*\(\s*(\d*)\s*,\s*(\d*)\s*\)\s*$"
_match = _re.match(_pattern, _args.region)
if _match is None:
raise RuntimeError("range specified in invalid format.")