if  grep -q "renderer.block_quote = function block_quote" "../node_modules/matrix-react-sdk/src/Markdown.js" ; then
         echo 'Already patched!' ; 
else
    LINESTR=$(awk "/const real_paragraph = renderer.paragraph;/{ print NR; exit }" '/home/user/git/element-web/node_modules/matrix-react-sdk/src/Markdown.js')

    sed -i "${LINESTR}i renderer.block_quote = function block_quote(node, entering) {  \n\
      var attrs = this.attrs(node);  \n\
      if (node.firstChild !== null) {  \n\
        var w = node.walker(), e, m=node.firstChild  \n\
        while (m.firstChild !== null)  \n\
          m = m.firstChild  \n\
        while (m.type !== 'document') {  \n\
          if (m.type == 'text' && m.literal[0] !== '>')  \n\
            m.literal = '>' + m.literal  \n\
          m = m.parent  \n\
        }  \n\
        while (e = w.next()) {  \n\
          const n = e.node  \n\
          if (e.entering == false)  \n\
              continue  \n\
          if (n.type == 'text') {                                                                                                                        \n\
            let o = n.parent                                                                                                                             \n\
            while (o.type !== 'document')                                                                                                                \n\
              if (o.type == 'block_quote')                                                                                                               \n\
                break                                                                                                                                    \n\
              else                                                                                                                                       \n\
                o = o.parent                                                                                                                             \n\
            if (o.type == 'block_quote' && (n.prev && n.prev.type == 'softbreak') && n.literal[0] !== '>') {                                             \n\
              n.literal = '>' + n.literal                                                                                                                \n\
            }                                                                                                                                            \n\
          }                                                                                                                                              \n\
        }                                                                                                                                                \n\
      }                                                                                                                                                  \n\
                                                                                                                                                         \n\
      if (entering) {                                                                                                                                    \n\
        this.tag('font', [...attrs, ['color', '#789922']]);                                                                                              \n\
        if (!node.firstChild)                                                                                                                            \n\
          this.buffer += '<p>&gt;</p>'                                                                                                                   \n\
      } else {                                                                                                                                           \n\
        this.tag('/font');                                                                                                                               \n\
      }                                                                                                                                                  \n\
    };" '/home/user/git/element-web/node_modules/matrix-react-sdk/src/Markdown.js' 
fi