So download the companion content again if you’ve already got it:
http://go.microsoft.com/FWLink/?Linkid=270057 (59.9 MB)
Here are the details of the update from Kraig:
This update fixes one bug in the HereMyAm examples for Chapters 8, 9, 13, and 17 in the file pages/home/home.js. The one line within the updateImage function:
app.sessionState.fileToken = list.addOrReplace(app.sessionState.fileToken, newFile);
is replaced with
This corrects a bug where transient session state was preserved across the suspend-terminate-restart boundary only every other time because the app.sessionState.fileToken was erroneously overwritten with “undefined”.
p120 recommends w3schools as a source of useful information on html5. It is not.