I just completed a clean reinstallation of Windows XP, and have reinstalled TMG. Everything looks fine, except I cannot see sentence previews for most tags.
There is no problem with birth, death and marriage tags - for which I use traditional formats like: [P] was born <[D]><[L]>). Here, TMG shows a full preview of the sentence.
For most other tags, I long ago changed the default sentence structures to be more of an outline format (such as, Burial: <[D],><L><M>). Now, when I click on "Sentence" for any of these tags, the window shows the sentence structure for the tag, but the Preview box is completely blank.
Since everything worked fine 2 days ago, I assume I made some silly mistake. Can anyone tell me what I need to do to be able to see these sentence previews again?