proper count of <td> tags, colspan attribute, rowspan attribute

Hello,

in the real world of creating HTMLs I often have errors, that result from missing <td> tags, surplus <td> tags, incorrect colspan attributes and incorrect rowspan attributes. Am I right, that W3Cs HTML validator can't detect such errors? Are there tools in this world, that are able to detect such errors?

Best thanks in advance.

Falko Junior, Arnstadt (Germany)

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