diff --git a/data/doc/documentation.xml b/data/doc/documentation.xml
index 07cf8c5e..8ca268a9 100644
--- a/data/doc/documentation.xml
+++ b/data/doc/documentation.xml
@@ -7228,6 +7228,133 @@ import module namespace docbook-nav="http://www.tei-c.org/tei-simple/navigation/
Local authority registers
+ In TEI Publisher 9 a suggested structure for local taxonomies and registers for people, places and organizations
+ has been introduced in recognition of a common need in editorial projects to create and maintain such datasets.
+ As with virtually all other aspects, the default solution can be fully customised, extended and tailored to the
+ specific needs of the project.
+
+
+ To keep things simple, we have extracted each type of register into a separate TEI document. By default these reside in
+ data/registers collection, but location can be changed in the modules/config.xqm. Below is
+ the relevant excerpt from the configuration file:
+ (:~
+ : The root of the collection hierarchy containing registers data.
+ :)
+ declare variable $config:register-root := $config:data-root || "/registers";
+
+
+ The people, place and organization registers have a similar structure, utilizing a <standOff> as a wrapper
+ for listPerson, listPlace and listOrg, respectively. Keywords register, as is more
+ fitting for this kind of ontology, uses taxonomy instead.
+
+ The sample below presents the general structure of the person register as well as microstructure of a sample entry.
+ Since in TEI Publisher we are using the GND as the data source for annotating references to people, the local register entries
+ are reflecting some of the GND information, namely short biographical note, birth and death information and a list of professions.
+ Nevertheless, this structure can be adjusted as necessary within the project.
+
+
+
+ Maintaining authority registers
+ Typically, when annotating the text of the transcription we will consult an authority file,
+ either an external resource like GND or VIAF, or one internal to the project to identify a reference to a place or an individual.
+ On the level of the TEI encoding we will be usually just adding an identifier to the dedicated element.
+
+ As it is a tedious and error prone task to provide these identifiers manually, TEI Publisher offers a
+ mechanism to query authority registers, present matching results and make a selection in a user friendly interactive component
+ (see arrow marked as 1. on the screenshot below).
+ Thanks to its functionality a connection can be made without ever typing or copying long identifiers.
+ ... in Altenberg <persName ref="gnd-136602592">Ambrosius Leibnütz</persName> ...
+
+ As a side effect of such an operation, TEI Publisher creates a local register entry for the selected entity.
+ Nevertheless, from time to time an entry will not yet exist in the authority register we are using, or possibly the
+ information there is incomplete or incorrect. One could edit the local register manually in such cases, but from
+ TEI Publisher version 9 we now offer facilities to edit or create an entry in
+ the local register (see arrows marked 2 and 3 in the screenshot) through a form-based interface. Just click on the
+ pencil icon to edit the entry locally (or use plus sign icon to add a completely new one.
+
+
+ Editing a person
+ Say, we would like to add a variant name for our Ambrosius Leibnütz entry,
+ and also translate the content into English. From the annotation editor we can use the pencil icon
+ to open the editing form. It will appear in the right hand panel and presents form controls for
+ the information stored in the register. We can edit these fields and just press the save icon when we're done.
+ At this point new data will be stored in the local register. NB: saving obviously only works for logged in users.
+
+
+
+ Customizing local registers
+ Each project may have particular needs in terms what kinds of registers it needs and what kind of
+ microstructure the registry entries need to have. Therefore TEI Publisher proposes a modular approach
+ to the subject which allows for customizations. Nevertheless we have several distinct conceptual blocks
+ which need careful orchestration to smoothly work together. Namely, we need a place to store the register,
+ the data model for individual entry, the model and layout template for the form and the api endpoints
+ and corresponding functions for all CRUD (create, read, update, delete) operations on the register entry.
+ The API endpoints for registers customization start with /api/register and call a set of functions from
+ modules/registers.xql, which can be customized to reflect differences in the data
+ coming from external authority and local entry structures.
+ As mentioned before, location of the registers is determined via $config:register-root variable in config.xqm.
+ In the same module we will find further customization options related to registers: location of the models for the input forms
+ (in $config:register-forms) and dedicated configuration for each of the editable register types.
+ The actual forms themselves are located in templates/pagesannotations as they are effectively
+ HTML files with embedded Fore form webcomponents.
+
+ The $config:register-map allows to determine the following information for each registry:
+
+
+ id: identifier by which the registry can be reached in the database, either to access
+ information about existing entry or to determine the insertion point for a new one; e.g. for
+ the person registry it is by default set to pb-person which is the @xml:id attribute of the TEI element in
+ data/registers/persons.xml
+ <TEI xmlns="http://www.tei-c.org/ns/1.0" xml:id="pb-persons">
+ this identifier is always resolved in the context of the $config:register-root variable
+ to avoid potential conflicts
+
+
+ default: identifier by which the default data model for an entry can be accessed; this identifier is always resolved in the context of the $config:register-forms
+
+
+ prefix: a prefix for the newly created entries, e.g. a new person will be given an id
+ like person-00015 or similar, depending how many have been created locally earlier.
+
+
+
+
+
TEI Publisher in production
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