zsh gives resty:34: parse error near `)' about resty HOT 3 CLOSED

diff --git a/resty b/resty
index 87fbed4..8fce400 100755
--- a/resty
+++ b/resty
@@ -29,8 +29,7 @@ function resty() {
   host="$datadir/host"
   cookies="$datadir/c"
   method="$1"; [[ $# > 0 ]] && shift
-  h2t=$((exec 2>&-; (which lynx >/dev/null && echo lynx -stdin -dump) \
-                || which html2text || which cat) |tail -n 1)
+  h2t=$((exec 2>&-; (which lynx >/dev/null && echo lynx -stdin -dump) || which html2text || which cat) |tail -n 1)
   editor=$((exec 2>&-; which "$EDITOR" || which vim || echo "vi") |tail -n 1)

   [ "${method#P}" != "$method" ] || [ "$method" = "TRACE" ] && wantdata="yes"
@@ -82,11 +81,7 @@ function resty() {
       [ -n "$dat" ] && opt="--data-binary"
       [ "$method" = "HEAD" ] && opt="-I" && raw="yes"
       [ -f "$confdir/$domain" ] && eval "args2=( $(cat "$confdir/$domain" 2>/dev/null |sed 's/^ *//' |grep ^$method |cut -b $((${#method}+2))-) )"
-      res=$((((curl -sLv $opt "$dat" -X $method \
-              -b "$cookies/$domain" -c "$cookies/$domain" \
-              "${args2[@]}" "${curlopt2[@]}" "${curlopt[@]}" "$_path$query" \
-        |sed 's/^/OUT /' && echo) 3>&2 2>&1 1>&3) \
-        |sed 's/^/ERR /' && echo) 2>&1)
+      res=$((((curl -sLv $opt "$dat" -X $method -b "$cookies/$domain" -c "$cookies/$domain" "${args2[@]}" "${curlopt2[@]}" "${curlopt[@]}" "$_path$query" |sed 's/^/OUT /' && echo) 3>&2 2>&1 1>&3) |sed 's/^/ERR /' && echo) 2>&1)
       out=$(echo "$res" |sed '/^OUT /s/^....//p; d')
       err=$(echo "$res" |sed '/^ERR /s/^....//p; d')
       ret=$(echo "$err" |sed \