Protocol 1 is the tracker contract, not parity with every Org package. A rewrite keeps a name it does not own. This page is the inventory of what that means.

The Org 9.8 chapter map is Org syntax. This file is the ELPA / contrib / MELPA set that writes into the same drawer or preamble.

Own (vissue writes)#

Name	Why
`#+VISSUE:`	On-disk protocol. Independent of the crate and of the control socket.
`#+CATEGORY:` `#+FILETAGS:` `#+TAGS:` `#+TODO:`	Agenda label, inherited tags, type group, house cycle.
`#+PRIORITIES:`	House range `A C C`. A missing cookie is `[#C]`.
`#+EXCLUDE_TAGS:` `#+SELECT_TAGS:`	Publish filter defaults (`noexport` / `export`).
`:ID:`	org-id. Required.
`:CREATED:`	org-expiry / capture stamp.
`:TYPE:` `:PARENT:` `:BLOCKED_BY:` `:VISSUE_TAGS:`	Tracker graph and type.
`:CLAIMED_BY:` `:CLAIMED_AT:` `:FILES:` `:VERIFY:`	Claim and close-out.
`:DISCOVERED_FROM:` `:PIVOTED_TO:` `:SIBLING_TERMINAL:`	Bounce / sibling race.
Planning `DEADLINE:` `SCHEDULED:` `CLOSED:`	Org agenda dates.
Heading tags for a legal `TYPE`	Org tag search.

Read (interpret, do not mint)#

Name	Package	What vissue does
`:BLOCKER:`	GNU ELPA org-edna; org-contrib org-depend	`ids(...)` and a bare id list feed `ready`. A real edna form (`prev-sibling`, `headings`) stays. Never written.
`:Effort:` / `:EFFORT:`	Org effort; edna sorts by it	Read; `check` rejects a value Org will not parse.
`#+TODO:` extras	Org 5.2	A file-local keyword is still an issue. Writes stay the house five.
`#+SETUPFILE:`	Org 17.8	Local files only. Keyword lines merge into TODO / TAGS / PRIORITIES. URLs unread.
`#+PRIORITIES:`	Org 5.4	File range and default cookie.
`:ORDERED:` `:NOBLOCKING:`	Org 5.7	Sibling gate in `ready`.
slash `:ID:`	org-gcal	Not an issue id. The heading stays Org around the issues.
FILETAGS inheritance	Org 6.1	`search` / `show` match inherited tags. Not copied onto the heading.
`#+TAGS:` groups	Org 6.2 / 6.3	Exclusive braces; `[ group : members ]` expands in `search`.

Preserve (never mint, never drop, never rename)#

A rewrite already keeps unknown properties and extra drawers. These are the names a vault file is likely to carry, so they are named rather than left implicit.

Annotation#

Name	Package
`NOTER_DOCUMENT` `NOTER_PAGE` and `NOTER_*` overrides	org-noter. Notes are child headlines and stay in the parent body.
`INTERLEAVE_PDF` `INTERLEAVE_PAGE_NOTE`	Interleave. Do not rewrite to `NOTER_*`.
`org-remark-*` `org-remark-file`	GNU ELPA org-remark (usually a notes file, not the tracker).

Knowledge#

Name	Package
`ROAM_REFS` `ROAM_ALIASES` `ROAM_EXCLUDE`	org-roam v2
`#+identifier:` `#+signature:` `#+reviewdate:`	denote (front matter; not the issue `:ID:`)
`#+BEGIN: denote-*`	denote-org
`BRAIN_PARENTS` `BRAIN_CHILDREN` `BRAIN_FRIENDS` `BRAIN_EDGE_*` `NICKNAMES`	org-brain. Not `:PARENT:`.

GTD / people#

Name	Package
`ORG_GTD` `ORG_GTD_*` `PREVIOUS_ORG_GTD`	org-gtd v4. Do not fold `ORG_GTD_DEPENDS_ON` into `BLOCKED_BY`.
`TRIGGER`	org-edna and org-gtd share the name. Left as edna.
`dowith` `doat` `on` `at` `with`	org-secretary. Not a claim.
`notify`	GNU ELPA org-notify
`REL`	boxy-headings
`EMAIL` `PHONE` `ADDRESS` `BIRTHDAY` `ALIAS` `NICKNAME`	org-contacts

Drill / Anki#

Name	Package
`DRILL_*` `LEARN_DATA` tags `drill` `leech`	org-drill
`FC_*` extra drawer `:REVIEW_DATA:` tags `fc` `suspended`	org-fc
`ANKI_*`	org-anki / anki-editor

Calendar#

Name	Package
`calendar-id` `ETag` extra drawer `:org-gcal:`	org-gcal. Its `:ID:` is `<event>/<calendar>`, not org-id. Do not “fix” it.
`OLDID` `LOCATION`	org-caldav

Export / cite / transclude#

Name	Package
`EXPORT_` `#+hugo_`	ox-hugo
`#+PANDOC_*`	ox-pandoc
`#+BIBLIOGRAPHY:` `#+CITE_EXPORT:` `#+PRINT_BIBLIOGRAPHY:` `[cite:]`	Org 15 / citar / org-ref
`#+transclude:`	org-transclusion. Do not promote a transcluded `* TODO` into an issue.
`#+DOWNLOADED:`	org-download
`#+BEGIN: invoice` `WORK` `RATE`	org-invoice
`#+BEGIN: propview`	org-collector
`RESET_CHECK_BOXES` `LIST_EXPORT_BASENAME` `PRINT_EXPORT`	org-checklist
`EXPIRY`	org-expiry
`CUSTOM_ID` `DIR` `ATTACH_DIR` `STYLE` `LAST_REPEAT`	Org core
tag `ATTACH` `ignore` `ARCHIVE`	org-attach; ox-extra; Org archive

Ignore (nothing to integrate)#

These packages write no tracker names. org-modern, org-superstar, org-appear, and org-tree-slide are overlays. consult-org, org-ql saved views, and org-super-agenda live in Emacs variables and already read the TODO / tags / properties we write. deft is a filename search. org-pomodoro only leaves CLOCK: lines, which are already preserved. There is no on-disk contract to own.

Collisions a rewrite must not “fix”#

Name	Trap
`ID`	org-gcal stores `<event_id>/<calendar_id>`. Only treat a vissue / org-id token as an issue id.
`CREATED`	org-journal writes `YYYYMMDD`, not an Org stamp. Leave it if it is not a stamp.
`CATEGORY`	Agenda label and org-gtd area of focus share the key.
`TRIGGER`	org-edna and org-gtd.
`PARENT` vs `BRAIN_PARENTS` / `ORG_GTD_DEPENDS_ON`	Different graphs.

Sources#

Org 9.8 manual, especially 6, 7.2, 13.2, 17.8
GNU ELPA: org, org-edna, org-remark, org-transclusion, org-contacts, org-notify, denote
org-contrib 0.8: org-depend, org-expiry, org-checklist, org-learn, org-secretary, org-invoice, org-collector, ox-extra
MELPA: org-noter, org-roam, org-gtd, org-journal, org-ql, org-super-agenda, org-drill, org-fc, org-anki, org-caldav, org-gcal, ox-hugo, ox-pandoc, org-brain, org-download