Steps to reproduce

1. Open the article "Gibson Les Paul" (web-equivalent: https://en.wikipedia.org/wiki/Gibson_Les_Paul )
2. Open contents pane

Expected results

To see correct entry for Origins section
Origins (1950-1952)

Actual results

The actual entry looks like this
.mw-parser-output .vanchor>:target~.vanchor-text{background-color:#b1d2ff}Origins (1950-1952)

Stack trace

Environments observed

Comment

The page source for this page for the entry in question contains the following fragment

  <style data-mw-deduplicate="TemplateStyles:r1023754711">
.mw-parser-output .vanchor>:target~.vanchor-text{background-color:#b1d2ff}
  </style>

and probably the gt (>) symbol here is misleading for the parser