html: avoid endless loop on error token

[yincongcyincong]

Fixes #70179

[gopherbot]

This PR (HEAD: 4cef851) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/net/+/624895.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
  • You should word wrap the PR description at ~76 characters unless you need longer lines (e.g., for tables or URLs).
• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[yincongcyincong]

fix #70179

[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

This PR (HEAD: 9f9c09f) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/net/+/624895.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
  • You should word wrap the PR description at ~76 characters unless you need longer lines (e.g., for tables or URLs).
• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 2: Commit-Queue+1

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-11-04T18:27:14Z","revision":"484f8f7e2bcf0da095a59863396d3465c4c915a6"}

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 2: -Commit-Queue

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2:

This CL has failed the run. Reason:

Tryjob golang/try/x_net-go1.22-darwin-amd64_14 has failed with summary (view all results):

---

• go on release-branch.go1.22 (commit c19e588)
• net on master (change 624895)

Build or test failure, click here for results.

To reproduce, try gomote repro 8732176209507032753.

Additional links for debugging:

• Output for test golang.org/x/net module

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2: LUCI-TryBot-Result-1

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from cong yin:

Patch Set 2:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

This PR (HEAD: 76cab63) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/net/+/624895.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
  • You should word wrap the PR description at ~76 characters unless you need longer lines (e.g., for tables or URLs).
• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[gopherbot]

Message from cong yin:

Patch Set 4:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from cong yin:

Patch Set 4:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 4: Commit-Queue+1

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 4:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-11-05T04:33:39Z","revision":"59a1e1465100c6b62b05aa27f3542016fd3a9d8a"}

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 4: -Commit-Queue

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 4:

This CL has passed the run

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 4: LUCI-TryBot-Result+1

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from cong yin:

Patch Set 4:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/624895.
After addressing review feedback, remember to publish your drafts!