From d84db07ef343be6c2e208589976a937d156d009d Mon Sep 17 00:00:00 2001
From: libing <libing@zhuozhuo.io>
Date: Wed, 12 Feb 2025 06:15:06 +0000
Subject: [PATCH]

---
 .gitignore                                           | 9 +++++++++
 Sources/SwiftMath/MathRender/MTMathListBuilder.swift | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 3b29812..a1d4620 100755
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,12 @@ DerivedData/
 .swiftpm/config/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
+
+.idea
+*__gen.go
+*__ignore.go
+*.swp
+*.swo
+~i_*
+ig_*
+zzzig_*
diff --git a/Sources/SwiftMath/MathRender/MTMathListBuilder.swift b/Sources/SwiftMath/MathRender/MTMathListBuilder.swift
index 3b146c9..406712f 100755
--- a/Sources/SwiftMath/MathRender/MTMathListBuilder.swift
+++ b/Sources/SwiftMath/MathRender/MTMathListBuilder.swift
@@ -626,7 +626,7 @@ public struct MTMathListBuilder {
         var mutable = ""
         while self.hasCharacters {
             let ch = self.getNextCharacter()
-            if ch == "#" || (ch >= "A" && ch <= "F") || (ch >= "a" && ch <= "f") || (ch >= "0" && ch <= "9") {
+            if ch == "#" || (ch >= "A" && ch <= "Z") || (ch >= "a" && ch <= "z") || (ch >= "0" && ch <= "9") {
                 mutable.append(ch)  // appendString:[NSString stringWithCharacters:&ch length:1]];
             } else {
                 // we went too far