anchor.diff:  
   <1> This specification will create a new `*buildConfig*` named
   *ruby-sample-build*.
  -<2> You can specify a list of link:#build-triggers[triggers], which cause a new build to be created.
  +<2> You can specify a list of link:#build-triggers[triggers], which cause a new
  +build to be created.
   <3> The `*source*` section defines the source code repository location. You can
   provide additional options, such as `*sourceSecret*` or `*contextDir*` here.
   <4> The `*strategy*` section describes the build strategy used to execute the
  
positive.code: }
  ----
  
  <1> The builder image being used, where the local version on the node 
  may not be up to date with the version in the registry to which the ImageStream points.
  <2> This flag causes the local builder image to be ignored, and a fresh version pulled from the registry to which the ImageStream points.  Setting "forcePull" to false results in the default behavior of honoring the image stored locally.
  ====
  
  [[incremental-builds]]
  
negative.code: ====
  +
  In this case, the `*sourceStrategy*` definition is consuming the `latest` tag of
  the image stream named `ruby-20-centos7` located within this namespace.
  
  . Define an image change trigger:
  +
  