[perl6/specs] 690bf9: Show line number anchors on hover

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 690bf9b60e2a375733ce5508c6aa4cf4999be6af
      
https://github.com/perl6/specs/commit/690bf9b60e2a375733ce5508c6aa4cf4999be6af
  Author: Zoffix Znet <zoffixz...@users.noreply.github.com>
  Date:   2018-03-20 (Tue, 20 Mar 2018)

  Changed paths:
    M html/perl-with-historical-message.css

  Log Message:
  -----------
  Show line number anchors on hover

for easy linkage