From b8f9ad0dac7d6969e1854d8a54281a661dac613d Mon Sep 17 00:00:00 2001
From: Ashikur Rahman Shad
 <97606195+ashikur-rahman-shad@users.noreply.github.com>
Date: Mon, 26 Jan 2026 12:10:12 +0600
Subject: [PATCH 1/2] Add syntax highlighting rules for .properties files

---
 runtime/syntax/properties.yaml | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 runtime/syntax/properties.yaml

diff --git a/runtime/syntax/properties.yaml b/runtime/syntax/properties.yaml
new file mode 100644
index 000000000..052de18e9
--- /dev/null
+++ b/runtime/syntax/properties.yaml
@@ -0,0 +1,27 @@
+filetype: properties
+
+detect:
+    filename: "\\.properties$"
+
+rules:
+    # Key (Identifier) - Matches everything before the first = or :
+    - identifier: "^[[:space:]]*[^=:[:space:]]+"
+
+    # Assignment operators
+    - statement: "[=:]"
+
+    # Boolean constants
+    - constant: "\\b(true|false|TRUE|FALSE|yes|no|ON|OFF)\\b"
+
+    # Strings/Values (Simple match for text after assignment)
+    - constant.string: "([=:][[:space:]]*).*$"
+
+    # Comments - Properties files support both # and !
+    - comment:
+        start: "[#!]"
+        end: "$"
+        rules:
+            - todo: "(TODO|XXX|FIXME):?"
+
+    # Special characters like escaped spaces or newlines
+    - constant.specialChar: "\\\\([ tnfr'\"\\\\]|u[0-9a-fA-F]{4})"

From ce144b08bf8e753963ac31019fd3a8c3f6e5e361 Mon Sep 17 00:00:00 2001
From: Ashikur Rahman Shad
 <97606195+ashikur-rahman-shad@users.noreply.github.com>
Date: Tue, 27 Jan 2026 12:43:34 +0600
Subject: [PATCH 2/2] Apply suggestions from code review

Co-authored-by: Mikko <Andriamanitra@users.noreply.github.com>
---
 runtime/syntax/properties.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/runtime/syntax/properties.yaml b/runtime/syntax/properties.yaml
index 052de18e9..348494199 100644
--- a/runtime/syntax/properties.yaml
+++ b/runtime/syntax/properties.yaml
@@ -11,7 +11,8 @@ rules:
     - statement: "[=:]"
 
     # Boolean constants
-    - constant: "\\b(true|false|TRUE|FALSE|yes|no|ON|OFF)\\b"
+    - constant.bool.true: "\\b(true|TRUE|yes|ON)\\b"
+    - constant.bool.false: "\\b(false|FALSE|no|OFF)\\b"
 
     # Strings/Values (Simple match for text after assignment)
     - constant.string: "([=:][[:space:]]*).*$"
@@ -24,4 +25,4 @@ rules:
             - todo: "(TODO|XXX|FIXME):?"
 
     # Special characters like escaped spaces or newlines
-    - constant.specialChar: "\\\\([ tnfr'\"\\\\]|u[0-9a-fA-F]{4})"
+    - constant.specialChar: "\\\\([ :=tnfr'\"\\\\]|u[0-9a-fA-F]{4})"