horizontal rule html generation fixed
horizontal rule html generation fixed

ilya-g/intellij-markdown,ilya-g/intellij-markdown,dzharkov/intellij-markdown,valich/intellij-markdown,ilya-g/intellij-markdown,dzharkov/intellij-markdown,valich/intellij-markdown,dzharkov/intellij-markdown,dzharkov/intellij-markdown,valich/intellij-markdown,ilya-g/intellij-markdown,valich/intellij-markdown