From 8e91cb2b7df2ab3ee6f2be97fbde1433e2c6ac0c Mon Sep 17 00:00:00 2001
From: Ken Miller <kennethdmiller3@gmail.com>
Date: Sun, 7 Sep 2014 00:48:48 -0500
Subject: [PATCH] treat vertical tab and form feed characters as whitespace

---
 stb_image.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stb_image.h b/stb_image.h
index 862f961..287eca9 100644
--- a/stb_image.h
+++ b/stb_image.h
@@ -4550,7 +4550,7 @@ static stbi_uc *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int
 
 static int      stbi__pnm_isspace(char c)
 {
-   return c == ' ' || c == '\t' || c == '\n' || c == '\r';
+   return c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f' || c == '\r';
 }
 
 static void     stbi__pnm_skipspace(stbi__context *s, char *c)