noosfero | raw-html-article: escape body before rendering on edit (#557)

[Larissa Reis]

New comment for Merge Request 557

https://gitlab.com/noosfero/noosfero/merge_requests/557#note_1296424


Larissa Reis

CGI::escapeHTML will crash if body is nil. I would suggest using `@article.body || ''`

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