<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">% file-wide warning
\tl_new:N
  \g_example_tl
\tl_gset:Nn
  \g_example_tl
  { Hello,~ }
\tl_gput_right:Nn
  \g_example_tl
  { world! }
\tl_use:N
  \g_example_tl
</pre></body></html>