TODO:
+ coverpage, sequences
+ binaries
+ saving bodies and annotations/histories
+ paragraph styles
+ links/targets toolbar
+ finish pasting (relocate nested P elements)
+ pack text items into P
+ add/remove links
+ validation
+ font size setup [via size on body element?]
+ search
+ replace
+ proper saving (temp copy+rename)
+ merge sections
@ drop images
+ $C/$U/$L/$I/$B/$i/$b
@ sane error messages on regexp errors
+ hourglass where needed
@ normalization after d&d