Made these changes, at JH/JL's behest:
- Changed 1848 to 1846 in Welcome.
- Changed Correspondence document
to Correspondence (private letter) in Search.
- Changed the wording of text describing most of the repositories, in Search.
- Changed "Rep. Number" to "Class (Series)" in Search.
- Re-organized the Schedule sequence, and fixed a couple of typos in schedules.
- Changed the default document sequence to follow the
@xml:id attributes on the root elements.
- Changed some captions, and simple display characteristics, including hiding the index entries in CSS.
