Clarify use of default delimiters for vtrutil::split

Author: kmurray

libvtrutil/src/vtr_util.h

@@ -6,7 +6,8 @@
 
 namespace vtrutil {
 
-    //Splits the string 'text' along the specified delimiter 'delim'
+    //Splits the string 'text' along the specified delimiter characters in 'delims'
+    //The split strings (excluding the delimiters) are returned
     std::vector<std::string> split(const std::string& text, const std::string delims=" \t\n");
 
 }

vpr/SRC/base/read_netlist.c

@@ -590,7 +590,7 @@ static void processPorts(pugi::xml_node Parent, INOUTP t_pb* pb, INOUTP t_pb_rou
         }
 
         //Extract all the pins for this port
-        pins = vtrutil::split(Cur.text().get(), " \t\n");
+        pins = vtrutil::split(Cur.text().get());
         num_tokens = pins.size();
 
         //Check that the number of pins from the netlist file matches the pb port's number of pins