anchor.diff:  
   == Switch theme
   
  -If you decide to modify LESS source files, remember that switching from one theme to another 
  +If you decide to modify LESS source files, remember that switching from one theme to another
   require only to change `theme` variable at line 2 in following file.
   
   .Source file `less/asciidoc-bootstrap.less`
  
positive.code: [source,css]
  ----
  //@import "ionicons/ionicons.less";
  ----
  
  == Admonition Blocks
  
negative.code: //@import "font-awesome/font-awesome.less";
  ----
  
  CAUTION: Be careful, that admonition block used Font-Awesome by default (see file +asciidoc/admonition-iconsfont.less+ )
  
  == Icons font support by Ionicons
  
  If you don't want to use http://ionicons.com/[Ionicons],
  just remove or comment line 13.
  