(chore) disable auto-detect for properties

Properties is leaving :common in v11 and honestly there are no narrow
rules here to give us real relevance. Since we are now widening the key
rule even further this problem would become even worse.

Therefore, we will disable auto-detect.

Author: joshgoebel

CHANGES.md

@@ -1,6 +1,7 @@
 ## Version next
 
-- fix(properties) fix incorrect handling of non-alphanumeric keys [Egor Rogov][]
+- chore(properties) disable auto-detection #3102 [Josh Goebel][]
+- fix(properties) fix incorrect handling of non-alphanumeric keys #3102 [Egor Rogov][]
 - enh(parser) Detect comments based on english like text, rather than keyword list [Josh Goebel][]
 - enh(shell) add alias ShellSession [Ryan Mulligan][]
 - enh(shell) consider one space after prompt as part of prompt [Ryan Mulligan][]

src/languages/properties.js

@@ -5,6 +5,7 @@ Website: https://en.wikipedia.org/wiki/.properties
 Category: common, config
 */
 
+/** @type LanguageFn */
 export default function(hljs) {
   // whitespaces: space, tab, formfeed
   const WS0 = '[ \\t\\f]*';
@@ -37,6 +38,7 @@ export default function(hljs) {
 
   return {
     name: '.properties',
+    disableAutodetect: true,
     case_insensitive: true,
     illegal: /\S/,
     contains: [
@@ -47,28 +49,24 @@ export default function(hljs) {
         returnBegin: true,
         variants: [
           {
-            begin: KEY + EQUAL_DELIM,
-            relevance: 1
+            begin: KEY + EQUAL_DELIM
           },
           {
-            begin: KEY + WS_DELIM,
-            relevance: 0
+            begin: KEY + WS_DELIM
           }
         ],
         contains: [
           {
             className: 'attr',
             begin: KEY,
-            endsParent: true,
-            relevance: 0
+            endsParent: true
           }
         ],
         starts: DELIM_AND_VALUE
       },
       // case of an empty key
       {
         className: 'attr',
-        relevance: 0,
         begin: KEY + WS0 + '$'
       }
     ]