From 598a4b882e683a62d930e0ae6220f5404879d2d8 Mon Sep 17 00:00:00 2001
From: pml68 <contact@pml68.dev>
Date: Thu, 27 Feb 2025 09:23:52 +0100
Subject: fix: missing prefix detection

---
 src/values/length.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/values/length.rs b/src/values/length.rs
index 28a7156..556f8ff 100644
--- a/src/values/length.rs
+++ b/src/values/length.rs
@@ -50,7 +50,7 @@ impl Value for Length {
                 _ => Err(ParseLengthError::InvalidType),
             }
         } else {
-            if s.starts_with(|c: char| !c.is_alphabetic()) {
+            if s.starts_with(|c: char| c.is_ascii_digit()) {
                 return Err(ParseLengthError::MissingPrefix);
             }
 
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