patch 7.4.2049
Problem:    There is no way to get a list of the error lists.
Solution:   Add ":chistory" and ":lhistory".
diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index f57adc0d..eb6eb25 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -310,6 +310,9 @@
 EX(CMD_checktime,	"checktime",	ex_checktime,
 			RANGE|NOTADR|BUFNAME|COUNT|EXTRA|TRLBAR,
 			ADDR_LINES),
+EX(CMD_chistory,	"chistory",	qf_history,
+			TRLBAR,
+			ADDR_LINES),
 EX(CMD_clist,		"clist",	qf_list,
 			BANG|EXTRA|TRLBAR|CMDWIN,
 			ADDR_LINES),
@@ -784,6 +787,9 @@
 EX(CMD_lhelpgrep,	"lhelpgrep",	ex_helpgrep,
 			EXTRA|NOTRLCOM|NEEDARG,
 			ADDR_LINES),
+EX(CMD_lhistory,	"lhistory",	qf_history,
+			TRLBAR,
+			ADDR_LINES),
 EX(CMD_ll,		"ll",		ex_cc,
 			RANGE|NOTADR|COUNT|TRLBAR|BANG,
 			ADDR_LINES),