combined some awk options into QSE_AWK_EXTRAKWS.

deleted QSE_AWK_EXTRAOPS and enabled all new operators by default
added === and !==.
fixed a bug in printing the explicit concatenation operator(%%, %%=)
improved @include handling

qse/samples/awk/awk04.c

@@ -53,7 +53,6 @@ int main ()
 	/* don't allow BEGIN, END, pattern-action blocks */
 	opt &= ~QSE_AWK_PABLOCK;
 	/* enable ** */
-	opt |= QSE_AWK_EXTRAOPS;
      qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
 

qse/samples/awk/awk07.cpp

@@ -139,7 +139,7 @@ static int awk_main (int argc, qse_char_t* argv[])
 	awk.setTrait (
 		awk.getTrait() | 
 		QSE_AWK_MAPTOVAR |
-		QSE_AWK_RESET);
+		QSE_AWK_EXTRAKWS);
 
 	if (ret >= 0) ret = run_awk (awk);
 	if (ret <= -1) 

qse/samples/awk/awk08.cpp

@@ -356,8 +356,7 @@ static int awk_main_2 (MyAwk& awk, int argc, qse_char_t* argv[])
 	cmdline_t cmdline;
 	int n;
 
-	awk.setTrait (awk.getTrait() | QSE_AWK_INCLUDE | 
-		QSE_AWK_MAPTOVAR | QSE_AWK_RWPIPE | QSE_AWK_EXTRAOPS);
+	awk.setTrait (awk.getTrait() | QSE_AWK_EXTRAKWS | QSE_AWK_MAPTOVAR | QSE_AWK_RWPIPE);
 
 	// ARGV[0]
 	if (awk.addArgument (QSE_T("awk08")) <= -1)

qse/samples/awk/awk09.c

@@ -64,7 +64,7 @@ int main ()
 	}
 
 	qse_awk_getopt (awk, QSE_AWK_TRAIT, &opt);
-	opt |= QSE_AWK_NEXTOFILE;
+	opt |= QSE_AWK_EXTRAKWS;
 	qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
 	psin.type = QSE_AWK_PARSESTD_STR;

qse/samples/awk/awk10.c

@@ -59,8 +59,6 @@ int main ()
 	opt &= ~QSE_AWK_PABLOCK;
 	/* can assign a map to a variable */
 	opt |= QSE_AWK_MAPTOVAR;
-	/* enable ** */
-	opt |= QSE_AWK_EXTRAOPS;
 	qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
 	psin.type = QSE_AWK_PARSESTD_STR;