Peritext: smart formatting

[streamich]

• [ ] Add ability to track the last inserted characters and efficiently match them against a replacement patter.
  • [ ] Fixed text pattern
  • [ ] Regex pattern
• [ ] Create common replacements (see some examples here)
  • [ ] :) to 🙂
  • [ ] ... to ellipsis
  • [ ] -> and <-
  • [ ] >> and <<
  • [ ] (c) and (tm)
  • [ ] -- to "ndash"; <ndash>- to "mdash"
  • [ ] `abc` to abc
• [ ] Add ability to define additional replacements
• [ ] Add ability to specify replacements which are not just text. For example, a replacement could be some smart chip.
  • [ ] Color chip #07f