Lines and paragraphs are automatically recognized. The <br /> line break, <p> paragraph and </p> close paragraph tags are inserted automatically. If paragraphs are not recognized simply add a couple blank lines.
Check and correct HTML before is stored in database. This parser strips down all potentially dangerous content within HTML: opening tag without its closing tag; closing tag without its opening tag; any of these tags: "base", "basefont", "head", "html", "body", "applet", "object", "iframe", "frame", "frameset", "script", "layer", "ilayer", "embed", "bgsound", "link", "meta", "style", "title", "blink", "xml" etc.; any of these attributes: on*, data*, dynsrc; javascript:/vbscript:/about: etc. protocols; expression/behavior etc. in styles; any other active content. It also tries to convert code to XHTML valid, but htmltidy is far better solution for this task.
