diff --git a/compile.sh b/compile.sh
index e7eea18..abe1f0a 100644
--- a/compile.sh
+++ b/compile.sh
@@ -2,8 +2,8 @@
 
 set -xe
 
-gcc -ansi -Wall -Wextra -Wpedantic -o xighlight xighlight.c
-clang -ansi -Weverything -o xighlight xighlight.c
+clang -g -ansi -Weverything -o xighlight xighlight.c
+gcc -g -ansi -Wall -Wextra -Wpedantic -o xighlight xighlight.c
 cat xighlight.c | valgrind --show-leak-kinds=all --leak-check=full ./xighlight
 
 exit
diff --git a/xighlight.c b/xighlight.c
index e0fb572..a289e89 100644
--- a/xighlight.c
+++ b/xighlight.c
@@ -18,6 +18,7 @@ int main (void) {
 	int    length = 0;
 	char * buffer = NULL;
 
+	int whitespace        = 0;
 	int preprocessor      = 0;
 	int line_comment      = 0;
 	int multiline_comment = 0;
@@ -40,6 +41,7 @@ int main (void) {
 		"char",     "short",    "int",      "long",     "signed",   "unsigned", "float",    "double"
 	};
 
+	syntax_define (& whitespace,        1, 0, " \t\r\n",            "",   '\0', COLOUR_WHITE,  EFFECT_NORMAL);
 	syntax_define (& preprocessor,      0, 0, "#",                  "\n", '\\', COLOUR_RED,    EFFECT_BOLD);
 	syntax_define (& line_comment,      0, 0, "//",                 "\n", '\0', COLOUR_GREY,   EFFECT_BOLD);
 	syntax_define (& multiline_comment, 0, 0, "/*",                 "*/", '\0', COLOUR_GREY,   EFFECT_BOLD);