refactor: fold comment lines on column 80

Author: akinomyoga

bash_completion

@@ -992,21 +992,22 @@ _comp_initialize()
     local exclude="" outx errx inx
 
     if ((${#FUNCNAME[@]} >= 2)); then
-        # Install "_comp_finalize" to the RETURN trap when "_init_completion" is
-        # called for the top-level completion. [ Note: the completion function may
-        # be called recursively using "_command_offset", etc. ]
+        # Install "_comp_finalize" to the RETURN trap when "_init_completion"
+        # is called for the top-level completion. [ Note: the completion
+        # function may be called recursively using "_command_offset", etc. ]
         if ((${#_comp_finalize__depth[@]} == 0)); then
             _comp_finalize__original_int_trap=$(trap -p INT)
             if shopt -q extdebug || shopt -qo functrace; then
-                # If extdebug / functrace is set, we need to explicitly save and
-                # restore the original trap handler because the outer trap handlers
-                # will be affected by "trap - RETURN" inside functions with these
-                # settings.
+                # If extdebug / functrace is set, we need to explicitly save
+                # and restore the original trap handler because the outer trap
+                # handlers will be affected by "trap - RETURN" inside functions
+                # with these settings.
                 _comp_finalize__original_return_trap=$(trap -p RETURN)
             else
-                # Otherwise, the outer RETURN trap will be restored when the RETURN
-                # trap is removed inside the functions using "trap - RETURN".  So, we
-                # do not need to explicitly save the outer trap handler.
+                # Otherwise, the outer RETURN trap will be restored when the
+                # RETURN trap is removed inside the functions using "trap -
+                # RETURN".  So, we do not need to explicitly save the outer
+                # trap handler.
                 _comp_finalize__original_return_trap=
             fi