diff --git a/UDL-samples/Semantic_Programming_Language.se b/UDL-samples/Semantic_Programming_Language.se
new file mode 100644
index 0000000..57348f2
--- /dev/null
+++ b/UDL-samples/Semantic_Programming_Language.se
@@ -0,0 +1,19 @@
+se 1
+
+# Semantic Programming Language
+program Demo
+object Main
+
+scope example {
+    node item
+    relations
+    true false null unknown
+    %12
+    @42
+    "Hello Semantic"
+    123
+    3.14159
+    0xFF
+    list [1, 2, 3]
+    object -> @42
+}
diff --git a/UDLs/Semantic-Programming-Language.xml b/UDLs/Semantic-Programming-Language.xml
new file mode 100644
index 0000000..1c4380b
--- /dev/null
+++ b/UDLs/Semantic-Programming-Language.xml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<NotepadPlus>
+  <UserLang name="Semantic Programming Language" ext="se sp" udlVersion="2.1">
+    <Settings>
+      <Global caseIgnored="no" allowFoldOfComments="no" foldCompact="no" forcePureLC="0" decimalSeparator="0" />
+      <Prefix Keywords1="no" Keywords2="no" Keywords3="yes" Keywords4="no" Keywords5="no" Keywords6="no" Keywords7="no" Keywords8="no" />
+    </Settings>
+    <KeywordLists>
+      <Keywords name="Comments">00# 01 02 03 04</Keywords>
+      <Keywords name="Numbers, prefix1">0x 0X</Keywords>
+      <Keywords name="Numbers, prefix2"></Keywords>
+      <Keywords name="Numbers, extras1">.</Keywords>
+      <Keywords name="Numbers, extras2">e E</Keywords>
+      <Keywords name="Numbers, suffix1"></Keywords>
+      <Keywords name="Numbers, suffix2"></Keywords>
+      <Keywords name="Numbers, range">-</Keywords>
+      <Keywords name="Operators1">- &gt; = : , ; { } [ ] ( )</Keywords>
+      <Keywords name="Operators2"></Keywords>
+      <Keywords name="Folders in code1, open">{</Keywords>
+      <Keywords name="Folders in code1, middle"></Keywords>
+      <Keywords name="Folders in code1, close">}</Keywords>
+      <Keywords name="Folders in code2, open"></Keywords>
+      <Keywords name="Folders in code2, middle"></Keywords>
+      <Keywords name="Folders in code2, close"></Keywords>
+      <Keywords name="Folders in comment, open"></Keywords>
+      <Keywords name="Folders in comment, middle"></Keywords>
+      <Keywords name="Folders in comment, close"></Keywords>
+      <Keywords name="Keywords1">program object list ranges types type scopes scope nodes node relations</Keywords>
+      <Keywords name="Keywords2">true false null unknown</Keywords>
+      <Keywords name="Keywords3">% @</Keywords>
+      <Keywords name="Keywords4">se sp</Keywords>
+      <Keywords name="Keywords5"></Keywords>
+      <Keywords name="Keywords6"></Keywords>
+      <Keywords name="Keywords7"></Keywords>
+      <Keywords name="Keywords8"></Keywords>
+      <Keywords name="Delimiters">00&quot; 01\ 02&quot; 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23</Keywords>
+    </KeywordLists>
+    <Styles>
+      <WordsStyle name="DEFAULT" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="COMMENTS" fgColor="5F875F" bgColor="FFFFFF" fontStyle="2" nesting="0" colorStyle="1" />
+      <WordsStyle name="LINE COMMENTS" fgColor="5F875F" bgColor="FFFFFF" fontStyle="2" nesting="0" colorStyle="1" />
+      <WordsStyle name="NUMBERS" fgColor="C678DD" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="1" />
+      <WordsStyle name="KEYWORDS1" fgColor="E67E22" bgColor="FFFFFF" fontStyle="1" nesting="0" colorStyle="1" />
+      <WordsStyle name="KEYWORDS2" fgColor="9B59B6" bgColor="FFFFFF" fontStyle="1" nesting="0" colorStyle="1" />
+      <WordsStyle name="KEYWORDS3" fgColor="2E86C1" bgColor="FFFFFF" fontStyle="1" nesting="0" colorStyle="1" />
+      <WordsStyle name="KEYWORDS4" fgColor="D35400" bgColor="FFFFFF" fontStyle="1" nesting="0" colorStyle="1" />
+      <WordsStyle name="KEYWORDS5" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="KEYWORDS6" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="KEYWORDS7" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="KEYWORDS8" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="OPERATORS" fgColor="C0392B" bgColor="FFFFFF" fontStyle="1" nesting="0" colorStyle="1" />
+      <WordsStyle name="FOLDER IN CODE1" fgColor="C0392B" bgColor="FFFFFF" fontStyle="1" nesting="0" colorStyle="1" />
+      <WordsStyle name="FOLDER IN CODE2" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="FOLDER IN COMMENT" fgColor="5F875F" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="1" />
+      <WordsStyle name="DELIMITERS1" fgColor="2471A3" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="1" />
+      <WordsStyle name="DELIMITERS2" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="DELIMITERS3" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="DELIMITERS4" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="DELIMITERS5" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="DELIMITERS6" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="DELIMITERS7" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+      <WordsStyle name="DELIMITERS8" fgColor="000000" bgColor="FFFFFF" fontStyle="0" nesting="0" colorStyle="0" />
+    </Styles>
+  </UserLang>
+</NotepadPlus>
diff --git a/udl-list.json b/udl-list.json
index fab60c0..e137521 100644
--- a/udl-list.json
+++ b/udl-list.json
@@ -3182,6 +3182,16 @@
       "autoCompletion": "SEBOL",
       "autoCompletionAuthor": "generate_ac.py"
     },
+    {
+      "id-name": "Semantic-Programming-Language",
+      "display-name": "Semantic Programming Language",
+      "version": "2026-09-17",
+      "repository": "",
+      "homepage": "https://www.semantic-programming-language.com/",
+      "description": "Syntax highlighting for Semantic Programming Language (.se and .sp)",
+      "author": "Tarek Wasfy",
+      "sample": "Semantic_Programming_Language.se"
+    },
     {
       "id-name": "ShadeLab_by-redcool007",
       "display-name": "ShadeLab",