Fix comma

Author: macchiati

unicodetools/data/linkification/dev/LinkEmail.txt

@@ -1,5 +1,5 @@
 # LinkEmail.txt
-# Date: 2025-12-20, 21:02:29 GMT 
+# Date: 2025-12-24, 21:06:25 GMT 
 # © 2025 Unicode®, Inc.
 # Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the U.S. and other countries.
 # For terms of use and license, see https://www.unicode.org/terms_of_use.html
@@ -26,7 +26,8 @@
 # 
 0021           # 1.1       (!)  EXCLAMATION MARK
 0023..0027     # 1.1   [5] (#..')  NUMBER SIGN..APOSTROPHE
-002A..0039     # 1.1  [16] (*..9)  ASTERISK..DIGIT NINE
+002A..002B     # 1.1   [2] (*..+)  ASTERISK..PLUS SIGN
+002D..0039     # 1.1  [13] (-..9)  HYPHEN-MINUS..DIGIT NINE
 003D           # 1.1       (=)  EQUALS SIGN
 003F           # 1.1       (?)  QUESTION MARK
 0041..005A     # 1.1  [26] (A..Z)  LATIN CAPITAL LETTER A..LATIN CAPITAL LETTER Z
@@ -1292,4 +1293,4 @@ FFDA..FFDC     # 1.1   [3] (ￚ..ￜ)  HALFWIDTH HANGUL LETTER EU..HALFWIDTH HAN
 323B0..33479   # 17.0 [4298] (𲎰..𳑹)  CJK UNIFIED IDEOGRAPH-323B0..CJK UNIFIED IDEOGRAPH-33479
 E0100..E01EF   # 4.0 [240] (U+E0100..U+E01EF)  VARIATION SELECTOR-17..VARIATION SELECTOR-256
 
-# Total code points: 149241
+# Total code points: 149240

unicodetools/src/main/java/org/unicode/utilities/LinkUtilities.java

@@ -190,14 +190,17 @@ private LinkTermination(String uset) {
         }
     }
 
-    // Note: the source standards are painful to read.
-    // https://en.wikipedia.org/wiki/Email_address#Local-part is much easier
+    // https://datatracker.ietf.org/doc/html/rfc5322#section-3.2.3 has the full list for ASCII part
+    // See also https://en.wikipedia.org/wiki/Email_address#Local-part
+    // We add dot (ascii '.'), and then check after for the special dot constraints.
 
-    static final UnicodeSet EMAIL_EXCLUDES =
-            new UnicodeSet("[\\u0020 ; \\: \" ( ) \\[ \\] @ \\\\ < >]").freeze();
+    static final UnicodeSet EMAIL_ASCII_INCLUDES =
+            new UnicodeSet("[[a-zA-Z][0-9][_ \\- ! ? ' \\{ \\} * / \\& # % ` \\^ + = | ~ \\$]]")
+                    .add('.')
+                    .freeze();
     static final UnicodeSet validEmailLocalPart =
-            new UnicodeSet("[\\p{XID_Continue}\\p{block=basic_latin}-\\p{Cc}]")
-                    .removeAll(EMAIL_EXCLUDES)
+            new UnicodeSet("[\\p{XID_Continue}-\\p{block=basic_latin}]")
+                    .addAll(EMAIL_ASCII_INCLUDES)
                     .freeze();
     public static final UnicodeProperty LinkEmail =
             new UnicodeSetProperty()