Improve formatting of config diff for modify_font

kitty/debug_config.py

@@ -95,6 +95,9 @@ def compare_opts(opts: KittyOpts, print: Print) -> None:
             if f == 'symbol_map':
                 for k in sorted(val):
                     print(f'\tU+{k[0]:04x} - U+{k[1]:04x} → {val[k]}')
+            elif f == 'modify_font':
+                for k in sorted(val):
+                    print('   ', val[k])
             else:
                 print(pformat(val))
         else:

kitty/fonts/__init__.py

@@ -41,8 +41,16 @@ class ModificationValue(NamedTuple):
     val: float
     unit: ModificationUnit
 
+    def __repr__(self) -> str:
+        u = '%' if self.unit is ModificationUnit.percent else ''
+        return f'{self.val:g}{u}'
+
 
 class FontModification(NamedTuple):
     mod_type: ModificationType
     mod_value: ModificationValue
     font_name: str = ''
+
+    def __repr__(self) -> str:
+        fn = f' {self.font_name}' if self.font_name else ''
+        return f'{self.mod_type.name}{fn} {self.mod_value}'