test

        for (const blogi::webedit::EditPlugin *cur = el; cur; cur = cur->nextElement()) {

            if (auto block = cur->toLlmsBlock()) {

                logEmbeddedNul(cur, *block);

                // Observed in the wild as a lone trailing NUL on legacy imported

                // TextBox content (widget content that predates a fix in the

                // importer/rich-text save path). A NUL is never meaningful text,

                // so drop it here rather than let it truncate the downstream

                // JSON packing in publishToConnectionCore.

                block->erase(std::remove(block->begin(), block->end(), '\0'), block->end());

                appendBlock(blocks, *block);

            }

            if (const blogi::webedit::EditPlugin *child = cur->getChildElement())