fix(grammar): add '|' as not taglink

Author: clason

.github/workflows/main.yml

@@ -43,4 +43,6 @@ jobs:
         with:
           files: |-
             .tests/neovim/runtime/doc/*.txt
-            !.tests/neovim/runtime/doc/usr_41.txt
+            !.tests/neovim/runtime/doc/builtin.txt
+            !.tests/neovim/runtime/doc/usr_*.txt
+            !.tests/neovim/runtime/doc/pi_*.txt

grammar.js

@@ -82,7 +82,7 @@ module.exports = grammar({
       seq("'", token.immediate(/[^'\n\t ]/), token.immediate("'")),
       // NOT taglink: "||", "|"
       /\|\|+/,
-      '|',
+      '|', "'|'",
       // NOT argument:
       '{',
       '{}',