fix bug with hex names mapping to unicode in the glyph list.

src/UglyToad.PdfPig.Tests/Fonts/Encodings/GlyphListTests.cs

@@ -66,5 +66,31 @@
 
             Assert.Equal("B", result);
         }
+
+        [Fact]
+        public void NameToUnicodeConvertsHexAndUsesHexValue()
+        {
+            var list = new GlyphList(new Dictionary<string, string>
+            {
+                {"B", "X"}
+            });
+
+            var result = list.NameToUnicode("uni0042");
+
+            Assert.Equal("B", result);
+        }
+
+        [Fact]
+        public void NameToUnicodeConvertsShortHexAndUsesHexValue()
+        {
+            var list = new GlyphList(new Dictionary<string, string>
+            {
+                {"E", "Æ"}
+            });
+
+            var result = list.NameToUnicode("u0045");
+
+            Assert.Equal("E", result);
+        }
     }
 }

src/UglyToad.PdfPig/Fonts/Encodings/GlyphList.cs

@@ -89,7 +89,7 @@
 
                 for (int chPos = 3; chPos + 4 <= nameLength; chPos += 4)
                 {
-                    int codePoint = int.Parse(name.Substring(chPos, chPos + 4), NumberStyles.HexNumber);
+                    int codePoint = int.Parse(name.Substring(chPos, 4), NumberStyles.HexNumber);
 
                     if (codePoint > 0xD7FF && codePoint < 0xE000)
                     {