Tweak a comment and apply clang-format

include/fmt/core.h

@@ -2029,23 +2029,22 @@ template <typename Context> class basic_format_args {
 // between clang and gcc on ARM (#1919).
 using format_args = basic_format_args<format_context>;
 
-// We cannot use enum classes as bit fields because of a gcc bug,
-// so we put them in namespaces instead.
-// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414.
+// We cannot use enum classes as bit fields because of a gcc bug, so we put them
+// in namespaces instead (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414).
 // Additionally, if an underlying type is specified, older gcc incorrectly warns
-// that the type is too small for all the enum values.
-// Both these bugs are fixed as of gcc 9.3.
+// that the type is too small. Both bugs are fixed in gcc 9.3.
 #if FMT_GCC_VERSION && FMT_GCC_VERSION < 903
-# define FMT_ENUM_UNDERLYING_TYPE(type)
+#  define FMT_ENUM_UNDERLYING_TYPE(type)
 #else
-# define FMT_ENUM_UNDERLYING_TYPE(type) : type
+#  define FMT_ENUM_UNDERLYING_TYPE(type) : type
 #endif
 namespace align {
-enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char) { none, left, right, center, numeric };
+enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, left, right, center,
+                                                  numeric};
 }
 using align_t = align::type;
 namespace sign {
-enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char) { none, minus, plus, space };
+enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, minus, plus, space};
 }
 using sign_t = sign::type;