Merge pull request #2920 from lonvia/no-postcode-for-rivers

[nominatim.git] / docs / develop / Tokenizers.md

diff --git a/docs/develop/Tokenizers.md b/docs/develop/Tokenizers.md
index 28d8fd19733140c6db368238014c8adda0722028..273e65e2126381a65b2d27361d71269c2ec439c5 100644 (file)
--- a/docs/develop/Tokenizers.md
+++ b/docs/develop/Tokenizers.md
@@ -93,7 +93,7 @@ for a custom tokenizer implementation.
 
 Nominatim expects two files for a tokenizer:
 
-* `nominiatim/tokenizer/<NAME>_tokenizer.py` containing the Python part of the
+* `nominatim/tokenizer/<NAME>_tokenizer.py` containing the Python part of the
   implementation
 * `lib-php/tokenizer/<NAME>_tokenizer.php` with the PHP part of the
   implementation
@@ -105,7 +105,7 @@ functions. By convention, these should be placed in `lib-sql/tokenizer`.
 If the tokenizer has a default configuration file, this should be saved in
 the `settings/<NAME>_tokenizer.<SUFFIX>`.
 
-### Configuration and Persistance
+### Configuration and Persistence
 
 Tokenizers may define custom settings for their configuration. All settings
 must be prefixed with `NOMINATIM_TOKENIZER_`. Settings may be transient or
@@ -245,11 +245,11 @@ Currently, tokenizers are encouraged to make sure that matching works against
 both the search token list and the match token list.
 
 ```sql
-FUNCTION token_normalized_postcode(postcode TEXT) RETURNS TEXT
+FUNCTION token_get_postcode(info JSONB) RETURNS TEXT
 ```
 
-Return the normalized version of the given postcode. This function must return
-the same value as the Python function `AbstractAnalyzer->normalize_postcode()`.
+Return the postcode for the object, if any exists. The postcode must be in
+the form that should also be presented to the end-user.
 
 ```sql
 FUNCTION token_strip_info(info JSONB) RETURNS JSONB