diff --git a/qse/cmd/awk/awk.c b/qse/cmd/awk/awk.c
index a3ac84e4..9e7a229c 100644
--- a/qse/cmd/awk/awk.c
+++ b/qse/cmd/awk/awk.c
@@ -356,7 +356,8 @@ static void on_statement (qse_awk_rtx_t* rtx, qse_awk_nde_t* nde)
 
 static void print_version (void)
 {
-	qse_fprintf (QSE_STDOUT, QSE_T("QSEAWK version %hs\n"), QSE_PACKAGE_VERSION);
+	qse_fprintf (QSE_STDOUT, QSE_T("QSEAWK %hs\n"), QSE_PACKAGE_VERSION);
+	qse_fprintf (QSE_STDOUT, QSE_T("Copyright 2006-2014 Chung, Hyung-Hwan\n"));
 }
 
 static void print_error (const qse_char_t* fmt, ...)
@@ -1082,7 +1083,7 @@ static int awk_main (int argc, qse_char_t* argv[])
 
 	rtx = qse_awk_rtx_openstd (
 		awk, 0, QSE_T("qseawk"),
-		(arg.call? QSE_NULL: arg.icf.ptr), /* console input */
+		(arg.call? QSE_NULL: (const qse_char_t**)arg.icf.ptr), /* console input */
 		QSE_NULL,  /* console output */
 		arg.console_cmgr
 	);
@@ -1106,7 +1107,7 @@ static int awk_main (int argc, qse_char_t* argv[])
 	set_intr_run ();
 
 	retv = arg.call?
-		qse_awk_rtx_callwithstrs (rtx, arg.call, arg.icf.ptr, arg.icf.size):
+		qse_awk_rtx_callwithstrs (rtx, arg.call, (const qse_char_t**)arg.icf.ptr, arg.icf.size):
 		qse_awk_rtx_loop (rtx);
 
 	unset_intr_run ();
diff --git a/qse/cmd/http/httpd.c b/qse/cmd/http/httpd.c
index 6b4e43f0..55ec3614 100644
--- a/qse/cmd/http/httpd.c
+++ b/qse/cmd/http/httpd.c
@@ -2092,7 +2092,8 @@ static int open_config_file (qse_httpd_t* httpd)
 		{ QSE_T("hooks"),                                            { QSE_XLI_SCM_VALLIST | QSE_XLI_SCM_KEYNODUP, 0, 0      }  },
 		{ QSE_T("hooks.module"),                                     { QSE_XLI_SCM_VALLIST | QSE_XLI_SCM_KEYALIAS, 0, 0      }  },
 		{ QSE_T("hooks.module.file"),                                { QSE_XLI_SCM_VALSTR  | QSE_XLI_SCM_KEYNODUP, 1, 1      }  },
-		/*{ QSE_T("hooks.module.config"),                              { QSE_XLI_SCM_VALLIST | QSE_XLI_SCM_KEYNODUP | QSE_SLI_SCM_SKIPVALIDATE, 0, 0      }  },*/
+		{ QSE_T("hooks.module.config"),                              { QSE_XLI_SCM_VALLIST | 
+		                                                               QSE_XLI_SCM_KEYNODUP | QSE_XLI_SCM_RELAXED, 0, 0      }  },
 
 		{ QSE_T("server-default"),                                   { QSE_XLI_SCM_VALLIST | QSE_XLI_SCM_KEYNODUP, 0, 0      }  },
 		{ QSE_T("server-default.ssl-cert-file"),                     { QSE_XLI_SCM_VALSTR  | QSE_XLI_SCM_KEYNODUP, 1, 1      }  },
@@ -2503,7 +2504,8 @@ static void logact_httpd (qse_httpd_t* httpd, const qse_httpd_act_t* act)
 /* --------------------------------------------------------------------- */
 static void print_version (void)
 {
-	qse_printf (QSE_T("QSEHTTPD version %hs\n"), QSE_PACKAGE_VERSION);
+	qse_fprintf (QSE_STDOUT, QSE_T("QSEHTTPD %hs\n"), QSE_PACKAGE_VERSION);
+	qse_fprintf (QSE_STDOUT, QSE_T("Copyright 2006-2014 Chung, Hyung-Hwan\n"));
 }
 
 static void print_usage (qse_sio_t* out, int argc, qse_char_t* argv[])
diff --git a/qse/cmd/sed/sed.c b/qse/cmd/sed/sed.c
index 9fd690f6..2999c268 100644
--- a/qse/cmd/sed/sed.c
+++ b/qse/cmd/sed/sed.c
@@ -154,7 +154,8 @@ static qse_mmgr_t xma_mmgr =
 
 static void print_version (void)
 {
-	qse_printf (QSE_T("QSESED version %hs\n"), QSE_PACKAGE_VERSION);
+	qse_fprintf (QSE_STDOUT, QSE_T("QSESED %hs\n"), QSE_PACKAGE_VERSION);
+	qse_fprintf (QSE_STDOUT, QSE_T("Copyright 2006-2014 Chung, Hyung-Hwan\n"));
 }
 
 static void print_usage (qse_sio_t* out, int argc, qse_char_t* argv[])
diff --git a/qse/include/qse/xli/xli.h b/qse/include/qse/xli/xli.h
index cc93c089..71b1d447 100644
--- a/qse/include/qse/xli/xli.h
+++ b/qse/include/qse/xli/xli.h
@@ -335,12 +335,17 @@ enum qse_xli_scm_flag_t
 	QSE_XLI_SCM_VALSTR   = (1 << 2),
 	QSE_XLI_SCM_VALLIST  = (1 << 3),
 	QSE_XLI_SCM_KEYNODUP = (1 << 4),
-	QSE_XLI_SCM_KEYALIAS = (1 << 5)
+	QSE_XLI_SCM_KEYALIAS = (1 << 5),
+
+	/* skips the validation of child pairs under a list.
+	 * useful with #QSE_XLI_SCM_VALLIST only. */
+	QSE_XLI_SCM_RELAXED  = (1 << 6) 
 };
+typedef enum qse_xli_scm_flag_t qse_xli_scm_flag_t;
 
 struct qse_xli_scm_t
 {
-	int flags;		
+	int flags;
 	int str_minseg;
 	int str_maxseg;
 };
diff --git a/qse/lib/xli/read.c b/qse/lib/xli/read.c
index e2b6de6d..f54e036d 100644
--- a/qse/lib/xli/read.c
+++ b/qse/lib/xli/read.c
@@ -23,8 +23,7 @@
 
 static int get_char (qse_xli_t* xli);
 static int get_token (qse_xli_t* xli);
-static int read_list (qse_xli_t* xli, qse_xli_list_t* list);
-
+static int read_list (qse_xli_t* xli, qse_xli_list_t* list, int skip_validation);
 
 enum
 {
@@ -140,7 +139,7 @@ static int get_char (qse_xli_t* xli)
 		}
 
 		xli->rio.inp->b.pos = 0;
-		xli->rio.inp->b.len = n;	
+		xli->rio.inp->b.len = n;
 	}
 
 	if (xli->rio.inp->last.c == QSE_T('\n'))
@@ -211,7 +210,7 @@ static int classify_ident (qse_xli_t* xli, const qse_cstr_t* name)
 		int n;
 		kwent_t* kwp;
 
-		mid = (left + right) / 2;	
+		mid = (left + right) / 2;
 		kwp = &kwtab[mid];
 
 		n = qse_strxncmp (kwp->name.ptr, kwp->name.len, name->ptr, name->len);
@@ -660,7 +659,7 @@ static int get_token (qse_xli_t* xli)
 	return get_token_into (xli, &xli->tok);
 }
 
-static int read_pair (qse_xli_t* xli, const qse_char_t* keytag)
+static int read_pair (qse_xli_t* xli, const qse_char_t* keytag, int skip_validation)
 {
 	qse_cstr_t key;
 	qse_xli_loc_t kloc;
@@ -682,7 +681,7 @@ static int read_pair (qse_xli_t* xli, const qse_char_t* keytag)
 
 	if (xli->opt.trait & QSE_XLI_KEYNODUP) key_nodup = 1;
 	if (xli->opt.trait & QSE_XLI_KEYALIAS) key_alias = 1;
-		
+
 	kloc = xli->tok.loc;
 	key.len = QSE_STR_LEN(xli->tok.name);
 	key.ptr = qse_strdup (QSE_STR_PTR(xli->tok.name), xli->mmgr);
@@ -700,7 +699,7 @@ static int read_pair (qse_xli_t* xli, const qse_char_t* keytag)
 		goto oops;
 	}
 
-	if (xli->opt.trait & QSE_XLI_VALIDATE) 
+	if (!skip_validation && (xli->opt.trait & QSE_XLI_VALIDATE)) 
 	{
 		qse_rbt_pair_t* pair;
 
@@ -708,7 +707,7 @@ static int read_pair (qse_xli_t* xli, const qse_char_t* keytag)
 		if (pair == QSE_NULL)
 		{
 			qse_xli_seterror (xli, QSE_XLI_EUDKEY, (const qse_cstr_t*)&key, &kloc);
-			goto oops;	
+			goto oops;
 		}
 
 		scm = (qse_xli_scm_t*)QSE_RBT_VPTR(pair);
@@ -900,8 +899,12 @@ static int read_pair (qse_xli_t* xli, const qse_char_t* keytag)
 		/* insert a pair with an empty list */
 		pair = qse_xli_insertpairwithemptylist (xli, parlist, QSE_NULL, key.ptr, name, keytag);
 		if (pair == QSE_NULL) goto oops;
-	
-		if (read_list (xli, (qse_xli_list_t*)pair->val) <= -1) goto oops;
+
+		/* skip validations of child pairs if the schema for the 
+		 * current pair is set with QSE_XLI_SCM_RELAXED. 
+		 * the schema for the child pairs, if specified, must not 
+		 * take effect. */
+		if (read_list (xli, (qse_xli_list_t*)pair->val, (scm && (scm->flags & QSE_XLI_SCM_RELAXED))) <= -1) goto oops;
 		
 		if (!MATCH (xli, TOK_RBRACE))
 		{
@@ -933,7 +936,7 @@ static int read_pair (qse_xli_t* xli, const qse_char_t* keytag)
 		{
 			/* check the value type */
 			qse_xli_seterror (xli, QSE_XLI_ENOVAL, (const qse_cstr_t*)&key, &kloc);
-			goto oops;	
+			goto oops;
 		}
 
 		xli->tok_status &= ~TOK_STATUS_ENABLE_NSTR;
@@ -989,7 +992,7 @@ static void free_list_link (qse_xli_t* xli, qse_xli_list_link_t* link)
 	qse_xli_freemem (xli, link);
 }
 
-static int __read_list (qse_xli_t* xli)
+static int __read_list (qse_xli_t* xli, int skip_validation)
 {
 	while (1)
 	{
@@ -1030,13 +1033,13 @@ static int __read_list (qse_xli_t* xli)
 				return -1;
 			}
 
-			x = read_pair (xli, keytag);
+			x = read_pair (xli, keytag, skip_validation);
 			QSE_MMGR_FREE (xli->mmgr, keytag);
 			if (x <= -1) return -1;
 		}
 		else if (MATCH (xli, TOK_IDENT))
 		{
-			if (read_pair (xli, QSE_NULL) <= -1) return -1;
+			if (read_pair (xli, QSE_NULL, skip_validation) <= -1) return -1;
 		}
 		else if (MATCH (xli, TOK_TEXT))
 		{
@@ -1051,7 +1054,7 @@ static int __read_list (qse_xli_t* xli)
 	return 0;
 }
 
-static int read_list (qse_xli_t* xli, qse_xli_list_t* parlist)
+static int read_list (qse_xli_t* xli, qse_xli_list_t* parlist, int skip_validation)
 {
 	qse_xli_list_link_t* link;
 
@@ -1061,7 +1064,7 @@ static int read_list (qse_xli_t* xli, qse_xli_list_t* parlist)
 	/* get_token() here is to read the token after the left brace.
 	 * it must be called after the xli->parlink has been updated
 	 * in case there are comments at the beginning of the list */
-	if (get_token (xli) <= -1 || __read_list (xli) <= -1) 
+	if (get_token (xli) <= -1 || __read_list (xli, skip_validation) <= -1) 
 	{
 		free_list_link (xli, link);
 		return -1;
@@ -1080,7 +1083,7 @@ static int read_root_list (qse_xli_t* xli)
 	link = make_list_link (xli, &xli->root->list);
 	if (link == QSE_NULL) return -1;
 
-	if (get_char (xli) <= -1 || get_token (xli) <= -1 || __read_list (xli) <= -1)
+	if (get_char (xli) <= -1 || get_token (xli) <= -1 || __read_list (xli, 0) <= -1)
 	{
 		free_list_link (xli, link);
 		return -1;
diff --git a/qse/lib/xli/xli.c b/qse/lib/xli/xli.c
index e4c4ce00..cbf0faea 100644
--- a/qse/lib/xli/xli.c
+++ b/qse/lib/xli/xli.c
@@ -196,7 +196,7 @@ static void insert_atom (
 {
 	if (parent == QSE_NULL) parent = &xli->root->list;
 
-	if (peer == QSE_NULL)	
+	if (peer == QSE_NULL)
 	{
 		/* insert it to the tail */
 		atom->prev = parent->tail;
@@ -362,7 +362,7 @@ qse_xli_pair_t* qse_xli_insertpairwithstrs (
 	str = (qse_xli_str_t*)tmp->val;
 	for (i = 1; i < count; i++)
 	{
-		str = qse_xli_addsegtostr (xli, str, QSE_NULL, &value[i]);			
+		str = qse_xli_addsegtostr (xli, str, QSE_NULL, &value[i]);
 		if (str == QSE_NULL)
 		{
 			free_atom (xli->root, (qse_xli_atom_t*)tmp);
@@ -487,7 +487,7 @@ static void free_list (qse_xli_root_list_t* root, qse_xli_list_t* list)
 	while (p)
 	{
 		n = p->next;
-		free_atom (root, p);	
+		free_atom (root, p);
 		p = n;
 	}
 
@@ -623,7 +623,7 @@ struct fqpn_seg_t
 	union
 	{
 		qse_size_t number;
-		qse_cstr_t alias;	
+		qse_cstr_t alias;
 	} idx;
 };
 
@@ -640,7 +640,7 @@ const qse_char_t* get_next_fqpn_segment (qse_xli_t* xli, const qse_char_t* fqpn,
 
 	if (*ptr == QSE_T('['))
 	{
-		/*  index is specified */
+		/* index is specified */
 		ptr++; /* skip [ */
 
 		if (QSE_ISDIGIT(*ptr))