Fix kitten @ set-background-opacity limited to min opacity of 0.1 instead of 0

Fixes #7463

docs/changelog.rst

@@ -92,6 +92,8 @@ Detailed list of changes
 
 - Scrolling with mouse wheel when a selection is active should update the selection (:iss:`7453`)
 
+- Fix kitten @ set-background-opacity limited to min opacity of 0.1 instead of 0 (:iss:`7463`)
+
 0.34.1 [2024-04-19]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

kitty/rc/set_background_opacity.py

@@ -25,7 +25,7 @@
 class SetBackgroundOpacity(RemoteCommand):
 
     protocol_spec = __doc__ = '''
-    opacity+/float: A number between 0.1 and 1
+    opacity+/float: A number between 0 and 1
     match_window/str: Window to change opacity in
     match_tab/str: Tab to change opacity in
     all/bool: Boolean indicating operate on all windows
@@ -54,7 +54,7 @@ class SetBackgroundOpacity(RemoteCommand):
     args = RemoteCommand.Args(spec='OPACITY', count=1, json_field='opacity', special_parse='parse_opacity(args[0])')
 
     def message_to_kitty(self, global_opts: RCOptions, opts: 'CLIOptions', args: ArgsType) -> PayloadType:
-        opacity = max(0.1, min(float(args[0]), 1.0))
+        opacity = max(0, min(float(args[0]), 1))
         return {
             'opacity': opacity, 'match_window': opts.match,
             'all': opts.all, 'match_tab': opts.match_tab, 'toggle': opts.toggle,