"packer symbol" shows duplicate number

When I do "packer symbol", it shows double 7. Therefore I can't type 7 to choose ttf-symbola because it will install libindicator instead.

0 extra/gnome-icon-theme-symbolic 3.6.2-1 (gnome)
1 [已安装]
      GNOME icon theme, symbolic icons
2 extra/qrencode 3.4.1-1
      C library for encoding data in a QR Code symbol.
3 community/ginac 1.6.2-2
      C++ library for symbolic calculations
4 community/perl-devel-symdump 2.08-4
      Perl symbol table access and dumping
5 community/python-sympy 0.7.2-1
      Symbolic manipulation package (Computer Algebra System), written in
      pure Python
6 community/python2-sympy 0.7.2-1
      Symbolic manipulation package (Computer Algebra System), written in
      pure Python
7 community/ttf-symbola 7.07-1 [已安装]
      Font for unicode symbols (part of Unicode Fonts for Ancient Scripts).
7 aur/libindicator 12.10.1-1 (301)
    Libary with a set of symbols and convience functions that all indicators
    would like to use (GTK+ 2 library)
8 aur/latex-xft-fonts 0.1-1 (139)
    TTF Fonts required to display math symbols in equations in LyX.
....