From cc99df4b4879dd8db7d4a5ec3aa878c56c59d61e Mon Sep 17 00:00:00 2001
From: Omar Cornut <omarcornut@gmail.com>
Date: Thu, 8 Mar 2018 17:13:18 +0100
Subject: [PATCH] stb_truetype: added comment about stbtt_FindGlyphIndex()
 return value.

---
 stb_truetype.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stb_truetype.h b/stb_truetype.h
index a08e929..4869e0f 100644
--- a/stb_truetype.h
+++ b/stb_truetype.h
@@ -733,6 +733,7 @@ STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codep
 // and you want a speed-up, call this function with the character you're
 // going to process, then use glyph-based functions instead of the
 // codepoint-based functions.
+// Returns 0 if the character codepoint is not defined in the font.
 
 
 //////////////////////////////////////////////////////////////////////////////