BL-3004 Handle Book Settings that are not valid XML
BL-3004 Handle Book Settings that are not valid XML

We were trying to set things like SILA & LASI as the InnerXML
of a DOM element for storing copyright info.

andrew-polk/BloomDesktop,StephenMcConnel/BloomDesktop,JohnThomson/BloomDesktop,gmartin7/myBloomFork,gmartin7/myBloomFork,BloomBooks/BloomDesktop,gmartin7/myBloomFork,BloomBooks/BloomDesktop,JohnThomson/BloomDesktop,BloomBooks/BloomDesktop,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,StephenMcConnel/BloomDesktop,gmartin7/myBloomFork,StephenMcConnel/BloomDesktop,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,StephenMcConnel/BloomDesktop,JohnThomson/BloomDesktop,gmartin7/myBloomFork,andrew-polk/BloomDesktop,BloomBooks/BloomDesktop,andrew-polk/BloomDesktop,gmartin7/myBloomFork,JohnThomson/BloomDesktop,andrew-polk/BloomDesktop,JohnThomson/BloomDesktop