Fix keyword word boundaries

Author: deathaxe

Syntaxes/Less.sublime-syntax

@@ -982,7 +982,7 @@ contexts:
       scope: keyword.operator.merge.less
 
   less-logical-operators:
-    - match: \b(?i:and|or|not)\b
+    - match: \b(?i:and|or|not){{break}}
       scope: keyword.operator.logical.less
 
   less-variadic-operators:

tests/syntax_test_less.less

@@ -2001,6 +2001,15 @@ header {
 //                       ^^ meta.number.integer.decimal.css constant.numeric.value.css
 //                         ^ punctuation.section.group.end.less
 //                          ^ punctuation.terminator.rule.css
+
+    test: not-allowed;
+//        ^^^^^^^^^^^ support.constant.property-value.css - keyword.operator
+
+    test: and-not;
+//        ^^^^^^^ support.constant.property-value.css - keyword.operator
+
+    test: or-not;
+//        ^^^^^^ support.constant.property-value.css - keyword.operator
 }
 
 .test-escape-functions {