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| author | Robert Haas <rhaas@postgresql.org> | 2010-10-19 22:46:55 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2010-10-19 22:48:19 -0400 |
| commit | 4b6623a7e8f0f0116ff68ebfd4c98830fe59419d (patch) | |
| tree | 33d425d28f6eafeea9c07e795b38dd9bc85285f0 /doc/src | |
| parent | 6d1af7b2180719102a907bd3e35d218b43e76ad1 (diff) | |
| download | postgresql-4b6623a7e8f0f0116ff68ebfd4c98830fe59419d.tar.gz postgresql-4b6623a7e8f0f0116ff68ebfd4c98830fe59419d.zip | |
Add some caveats to the contrib/isn docs.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/isn.sgml | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/doc/src/sgml/isn.sgml b/doc/src/sgml/isn.sgml index d1d98fe1b8d..3735988db1b 100644 --- a/doc/src/sgml/isn.sgml +++ b/doc/src/sgml/isn.sgml @@ -10,8 +10,15 @@ <para> The <filename>isn</filename> module provides data types for the following international product numbering standards: EAN13, UPC, ISBN (books), ISMN - (music), and ISSN (serials). Numbers are validated on input, and correctly - hyphenated on output. + (music), and ISSN (serials). Numbers are validated on input according to a + hard-coded list of prefixes; this list of prefixes is also used to hyphenate + numbers on output. Since new prefixes are assigned from time to time, the + list of prefixes may be out of date. It is hoped that a future version of + this module will obtained the prefix list from one or more tables that + can be easily updated by users as needed; however, at present, the + list can only be updated by modifying the source code and recompiling. + Alternatively, prefix validation and hyphenation support may be + dropped from a future version of this module. </para> <sect2> |