Properties provide a flexible way to add information to words in a glossary. Property validation is enforced by the glossary preprocessor while the properties themselves are part of the glossary proper and are thus available in the JSON data that Oracc creates for glossaries. Because glossaries link to instances, the properties in a glossary can be applied to the contexts in which the words with the property occur.
There are two glossary tags used for glossary properties:
      @proplist and @prop.  Both tags may be
      used more than once.
The @proplist tag has a single argument which is
      the name of a file containing properties and permissible values.
      The file name may begin with a project name, followed by a colon
      (':'). If there is an explicit project name Oracc looks only in
      the 00lib directory of the named project.  If there
      is no explicit project name, Oracc looks first in the current
      project's 00lib directory, then in the system
      properties directory.  At present there are no system properties
      defined, but this feature is implemented for possible use in the
      future.  System property files live in the
      lib/data/props directory of the Oracc installation
      (usually /home/oracc in a multi-user
      installation).
The @prop may be given before any senses, in
      which case the property applies to all senses of the word, or
      immediately after a @sense, in which case it
      applies to the sense.
The format of a @prop is:
@prop KEY VALUES
The KEY must be defined in a proplist which has
      been included in the glossary's scope via a
      @proplist command, and the VALUES must be declared
      allowable values for the KEY.  A KEY
      may have a single VALUE or many.  No spaces are
      allowed in VALUES.
The file is a simple text file, with the extension
      .txt.  Blank lines are ignored, as are comment
      lines which begin with the hash mark (#). The first
      word of any unindented line apart from comments is an allowable
      KEY; subsequent words are VALUES,
      which may be given over more than one line as long as the second
      and subsequent lines are indented.  A VALUE may not
      contain spaces.
For a proplist 00lib/loctypes.txt containing the following:
loctype monument temple city field
The qpn.glo for a project would include the
      proplist giving only the base part of the filename:
@proplist loctypes
Then reference the proplist:
@entry Entry [1] GN @prop loctype monument ...
To use the properties defined by another project:
@proplist rinap:loctypes