From 9823b0e19a857cde48a789555f56c6e7ea683aab Mon Sep 17 00:00:00 2001
From: Farnabaz <farnabaz@gmail.com>
Date: Tue, 28 Jul 2026 15:26:49 +0200
Subject: [PATCH 1/3] fix: ignore props with invalid chars

---
 packages/comark/src/internal/parse/syntax/props.ts |  2 +-
 packages/comark/test/misc.test.ts                  | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 packages/comark/test/misc.test.ts

diff --git a/packages/comark/src/internal/parse/syntax/props.ts b/packages/comark/src/internal/parse/syntax/props.ts
index 5551d780..ea383e8b 100644
--- a/packages/comark/src/internal/parse/syntax/props.ts
+++ b/packages/comark/src/internal/parse/syntax/props.ts
@@ -55,7 +55,7 @@ export function searchProps(content: string, index = 0) {
         if (char === '=') {
           index += 1
           props.push([key, searchValue()])
-        } else {
+        } else if (key.match(/^[a-z0-9_\-:]+$/gi)) {
           props.push([key, 'true'])
         }
       }
diff --git a/packages/comark/test/misc.test.ts b/packages/comark/test/misc.test.ts
new file mode 100644
index 00000000..8fb4621d
--- /dev/null
+++ b/packages/comark/test/misc.test.ts
@@ -0,0 +1,10 @@
+import { describe, expect, it } from 'vitest'
+import { parse } from '../src/parse'
+import punctuation from '../src/plugins/punctuation'
+
+describe('misc', () => {
+  it('ignore props with invalid chars, only /^[a-z0-9_\-:]+$/gi', async () => {
+    const tree = await parse(':Alert{id="1"" }')
+    expect(tree.nodes).toEqual([['alert', { id: '1' }]])
+  })
+})

From 2bb5da10b032abb684c6be28cdeef42422533f52 Mon Sep 17 00:00:00 2001
From: Farnabaz <farnabaz@gmail.com>
Date: Tue, 28 Jul 2026 15:28:12 +0200
Subject: [PATCH 2/3] up

---
 packages/comark/test/misc.test.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/comark/test/misc.test.ts b/packages/comark/test/misc.test.ts
index 8fb4621d..228bf833 100644
--- a/packages/comark/test/misc.test.ts
+++ b/packages/comark/test/misc.test.ts
@@ -1,9 +1,8 @@
 import { describe, expect, it } from 'vitest'
 import { parse } from '../src/parse'
-import punctuation from '../src/plugins/punctuation'
 
 describe('misc', () => {
-  it('ignore props with invalid chars, only /^[a-z0-9_\-:]+$/gi', async () => {
+  it('ignore props with invalid chars, only /^[a-z0-9_-:]+$/gi', async () => {
     const tree = await parse(':Alert{id="1"" }')
     expect(tree.nodes).toEqual([['alert', { id: '1' }]])
   })

From e1ddc510a41693dd3f99617cffe957c8fa6435f8 Mon Sep 17 00:00:00 2001
From: Farnabaz <farnabaz@gmail.com>
Date: Thu, 30 Jul 2026 17:30:36 +0200
Subject: [PATCH 3/3] fix: attributes can start with `[:a-z_]`

---
 packages/comark/src/internal/parse/syntax/props.ts | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/comark/src/internal/parse/syntax/props.ts b/packages/comark/src/internal/parse/syntax/props.ts
index ea383e8b..793c477e 100644
--- a/packages/comark/src/internal/parse/syntax/props.ts
+++ b/packages/comark/src/internal/parse/syntax/props.ts
@@ -52,11 +52,15 @@ export function searchProps(content: string, index = 0) {
       const char = content[index]
       if (start !== index) {
         const key = content.slice(start, index).trim()
+        let value = ''
         if (char === '=') {
           index += 1
-          props.push([key, searchValue()])
-        } else if (key.match(/^[a-z0-9_\-:]+$/gi)) {
-          props.push([key, 'true'])
+          value = searchValue()
+        } else {
+          value = 'true'
+        }
+        if (key.match(/^:?[a-z_][a-z0-9_-]+$/gi)) {
+          props.push([key, value])
         }
       }
     }