add gemtext.sublime-syntax

gemtext.sublime-syntax

@@ -0,0 +1,33 @@
+# by lettuce 2022, cc0 
+# gemini://gemini.ctrl-c.club/~lettuce
+# syntax info: http://www.sublimetext.com/docs/3/syntax.html
+name: Gemtext
+file_extensions: [gmi]
+scope: source.txt
+contexts:
+  main:
+    # Line starting with #*
+    - match: '^\#.*'
+      push:
+        - meta_scope: meta.separator
+        - match: '$\n?'
+          pop: true
+
+    # Line starting with *
+    - match: '^\*.*'
+      push:
+        - meta_scope: meta.separator
+        - match: '$\n?'
+          pop: true
+    # Line starting with =>
+    - match: '^\=\>.*'
+      push:
+        - meta_scope: meta.separator
+        - match: '$\n?'
+          pop: true
+    # Line starting with a number
+    - match: '^[1-9_]+\b.*'
+      push:
+        - meta_scope: markup.heading
+        - match: '$\n?'
+          pop: true