* www/hacking.html   (interface-visibility): Refer to 'libraries' instead of 'modules'.
* www/hacking.html
  (interface-visibility): Refer to 'libraries' instead of 'modules'.

Suggested by: gstein

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@878219 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion