fixed typos in docs and code comments

CONTRIBUTING.md

@@ -69,7 +69,7 @@ Before submitting a pull request make sure that the tests pass:
 
 Nominatim follows semantic versioning. Major releases are done for large changes
 that require (or at least strongly recommend) a reimport of the databases.
-Minor releases can usually be applied to exisiting databases Patch releases
+Minor releases can usually be applied to exisiting databases. Patch releases
 contain bug fixes only and are released from a separate branch where the
 relevant changes are cherry-picked from the master branch.
 

docs/customize/Import-Styles.md

@@ -127,7 +127,7 @@ to the user when requested, but are not used otherwise.
   values. Tags with matching key/value pairs are deleted.
 * __extra_keys__ is a _key match list_ for tags which should be saved into
   extratags
-* __delete_tags__ contains a table of tag keys pointing to a list of tag
+* __extra_tags__ contains a table of tag keys pointing to a list of tag
   values. Tags with matching key/value pairs are moved to extratags.
 
 Key list may contain three kinds of strings:
@@ -193,14 +193,14 @@ Address tags will be used to build up the address of an object.
 `set_address_tags()` takes a table with arbitrary fields pointing to
 _key match lists_. To fields have a special meaning:
 
-__main__ defines
+* __main__: defines
 the tags that make a full address object out of the OSM object. This
 is usually the housenumber or variants thereof. If a main address tag
 appears, then the object will always be included, if necessary with a
 fallback of `place=house`. If the key has a prefix of `addr:` or `is_in:`
 this will be stripped.
 
-__extra__ defines all supplementary tags for addresses, tags like `addr:street`, `addr:city` etc. If the key has a prefix of `addr:` or `is_in:` this will be stripped.
+* __extra__: defines all supplementary tags for addresses, tags like `addr:street`, `addr:city` etc. If the key has a prefix of `addr:` or `is_in:` this will be stripped.
 
 All other fields will be handled as summary fields. If a key matches the
 key match list, then its value will be added to the address tags with the

nominatim/data/place_info.py

@@ -55,7 +55,7 @@ class PlaceInfo:
 
     @property
     def rank_address(self) -> int:
-        """ The [rank address][1] before ant rank correction is applied.
+        """ The [rank address][1] before any rank correction is applied.
 
             [1]: ../customize/Ranking.md#address-rank
         """

nominatim/data/place_name.py

@@ -21,7 +21,7 @@ class PlaceName:
 
         In addition to that, a name may have arbitrary additional attributes.
         How attributes are used, depends on the sanitizers and token analysers.
-        The exception is is the 'analyzer' attribute. This attribute determines
+        The exception is the 'analyzer' attribute. This attribute determines
         which token analysis module will be used to finalize the treatment of
         names.
     """

nominatim/tokenizer/sanitizers/clean_postcodes.py

@@ -74,7 +74,7 @@ class _PostcodeSanitizer:
 
 
 def create(config: SanitizerConfig) -> Callable[[ProcessInfo], None]:
-    """ Create a housenumber processing function.
+    """ Create a function that filters postcodes by their officially allowed pattern.
     """
 
     return _PostcodeSanitizer(config)

nominatim/tokenizer/sanitizers/clean_tiger_tags.py

@@ -41,6 +41,6 @@ def _clean_tiger_county(obj: ProcessInfo) -> None:
 
 
 def create(_: SanitizerConfig) -> Callable[[ProcessInfo], None]:
-    """ Create a housenumber processing function.
+    """ Create a function that preprocesses tags from the TIGER import.
     """
     return _clean_tiger_county

nominatim/tokenizer/sanitizers/tag_analyzer_by_language.py

@@ -12,7 +12,7 @@ If a name already has an analyzer tagged, then this is kept.
 Arguments:
 
     filter-kind: Restrict the names the sanitizer should be applied to
-                 to the given tags. The parameter expects a list of
+                 the given tags. The parameter expects a list of
                  regular expressions which are matched against 'kind'.
                  Note that a match against the full string is expected.
     whitelist: Restrict the set of languages that should be tagged.