Not exactly a word processor but it seems to me like you could try (if you can find it) the TSE or QEdit: https://en.wikipedia.org/wiki/The_SemWare_Editor http

Not exactly a word processor but it seems to me like you could try (if you can find it) the TSE or QEdit: https://en.wikipedia.org/wiki/The_SemWare_Editor https://en.wikipedia.org/wiki/The_SemWare_Editor what Qedit (often renamed simply to Q.exe) was capable of doing in the (good) old times was incredible.