Do you mean a data dictionary in a format like this?
TABLE_NAME,COLUMN_NAME,IS_NULLABLE,DATA_TYPE,DESCRIPTION
LOCATION,LOCATION_ID,NO,INTEGER,A unique identifier for each geographic location.
LOCATION,ADDRESS_1,YES,CHARACTER VARYING,"The address field 1, typically used for the street address, as it appears in the source data."
LOCATION,ADDRESS_2,YES,CHARACTER VARYING,"The address field 2, typically used for additional detail such as buildings, suites, floors, as it appears in the source data."
LOCATION,CITY,YES,CHARACTER VARYING,The city field as it appears in the source data.
LOCATION,STATE,YES,CHARACTER VARYING,The state field as it appears in the source data.
LOCATION,ZIP,YES,CHARACTER VARYING,The zip or postal code.
LOCATION,COUNTY,YES,CHARACTER VARYING,The county.
LOCATION,LOCATION_SOURCE_VALUE,YES,CHARACTER VARYING,The verbatim information that is used to uniquely identify the location as it appears in the source data.
PERSON,PERSON_ID,NO,INTEGER,A unique identifier for each person.
PERSON,GENDER_CONCEPT_ID,NO,INTEGER,A foreign key that refers to an identifier in the CONCEPT table for the unique gender of the person.
PERSON,YEAR_OF_BIRTH,NO,INTEGER,"The year of birth of the person. For data sources with date of birth, the year is extracted. For data sources where the year of birth is not available, the approximate year of birth is derived based on any age group categorization available."
PERSON,MONTH_OF_BIRTH,YES,INTEGER,"The month of birth of the person. For data sources that provide the precise date of birth, the month is extracted and stored in this field."
PERSON,DAY_OF_BIRTH,YES,INTEGER,"The day of the month of birth of the person. For data sources that provide the precise date of birth, the day is extracted and stored in this field."
PERSON,BIRTH_DATETIME,YES,DATETIME,The time of birth at the birth day
PERSON,RACE_CONCEPT_ID,NO,INTEGER,A foreign key that refers to an identifier in the CONCEPT table for the unique race of the person.
PERSON,ETHNICITY_CONCEPT_ID,NO,INTEGER,A foreign key that refers to the standard concept identifier in the Standardized Vocabularies for the ethnicity of the person.
PERSON,LOCATION_ID,YES,INTEGER,"A foreign key to the place of residency for the person in the location table, where the detailed address information is stored."
PERSON,PROVIDER_ID,YES,INTEGER,A foreign key to the primary care provider the person is seeing in the provider table.
PERSON,CARE_SITE_ID,YES,INTEGER,"A foreign key to the site of primary care in the care_site table, where the details of the care site are stored."
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I have created a small python scripts that reads the tables in the wiki documentation files and produces the same format document for the 5.2 version. Happy to share if more people want to use that.