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tree construction test assumes inefficient reprocessing #172

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not-my-profile opened this issue Sep 26, 2023 · 0 comments
Open

tree construction test assumes inefficient reprocessing #172

not-my-profile opened this issue Sep 26, 2023 · 0 comments

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@not-my-profile
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The test in question is the following of tests19.dat:

#data
<!doctype html><math></html>
#errors
(1,28): unexpected-end-tag
(1,28): expected-one-end-tag-but-got-another
(1,28): unexpected-end-tag
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <math math>

The "in body" insertion mode contains the following instruction:

↪ An end tag whose tag name is "html"
[...]
Reprocess the token.

If this token reprocessing is implemented efficiently by reprocessing according to the current insertion mode (as opposed to unnecessarily stepping through the rules for parsing tokens in foreign content again), then the second error is never reported, which causes this test to fail due to there only being 2 instead of 3 errors.
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