patch 8.0.0086
Problem:    Cannot add a comment after ":hide". (Norio Takagi)
Solution:   Make it work, add a test. (Hirohito Higashi)
diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 3f21d94..cb2fadc 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -623,7 +623,7 @@
 			BANG|EXTRA|TRLBAR|SBOXOK|CMDWIN,
 			ADDR_LINES),
 EX(CMD_hide,		"hide",		ex_hide,
-			BANG|RANGE|NOTADR|COUNT|EXTRA|NOTRLCOM,
+			BANG|RANGE|NOTADR|COUNT|EXTRA|TRLBAR,
 			ADDR_WINDOWS),
 EX(CMD_history,		"history",	ex_history,
 			EXTRA|TRLBAR|CMDWIN,