fix: whitespace around flags

Author: blindFS

languages/nu.scm

@@ -32,6 +32,8 @@
 [
   "="
   (match_guard)
+  (short_flag)
+  (long_flag)
 ] @prepend_space
 
 (assignment
@@ -106,19 +108,13 @@
 )
 
 ;; special flags
-(overlay_use
-  (short_flag)? @append_space
-  (long_flag)? @append_space
-)
-
-(ctrl_error
-  (short_flag)? @append_space
-  (long_flag)? @append_space
-)
-
-(ctrl_do
-  (short_flag)? @append_space
-  (long_flag)? @append_space
+(_
+  [
+    (short_flag)
+    (long_flag)
+  ] @append_space
+  .
+  (_)
 )
 
 ;; indentation

test/expected_keyword.nu

@@ -6,6 +6,5 @@ overlay new name
 # overlay hide spam --keep-custom
 hide PWD
 hide-env PWD
-# TODO: allow flags in grammar
-# hide-env -i PWD
+hide-env -i PWD
 source-env foo.nu

test/input_keyword.nu

@@ -6,6 +6,5 @@ overlay  new name
 # overlay hide spam --keep-custom
 hide PWD
 hide-env PWD
-# TODO: allow flags in grammar
-# hide-env -i PWD
+hide-env -i PWD
 source-env  foo.nu