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Diffstat (limited to 'doc/source')
| -rw-r--r-- | doc/source/index.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/source/index.rst b/doc/source/index.rst index 734851d..5b65354 100644 --- a/doc/source/index.rst +++ b/doc/source/index.rst @@ -2670,6 +2670,13 @@ deprecated and removed in Python 3.0. Beautiful Soup 4 uses ``html.parser`` by default, but you can plug in lxml or html5lib and use that instead. See `Installing a parser`_ for a comparison. +Since ``html.parser`` is not the same parser as ``SGMLParser``, it +will treat invalid markup differently. Usually the "difference" is +that ``html.parser`` crashes. In that case, you'll need to install +another parser. But sometimes ``html.parser`` just creates a different +parse tree than ``SGMLParser`` would. If this happens, you may need to +update your BS3 scraping code to deal with the new tree. + Method names ^^^^^^^^^^^^ |