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docs: Improve docs for some apis 

Various functions take hb_tag_t arrays. Those
arrays are expected to be 0-terminated. Document
that.
This commit is contained in:
Matthias Clasen 2022-08-31 15:03:09 -04:00 committed by Behdad Esfahbod
parent c96bfca380
commit 29d5c7f67a
1 changed files with 12 additions and 6 deletions
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18
src/hb-ot-layout.cc
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@ -1186,9 +1186,12 @@ script_collect_features (hb_collect_features_context_t *c,
* hb_ot_layout_collect_features:
* @face: #hb_face_t to work upon
* @table_tag: #HB_OT_TAG_GSUB or #HB_OT_TAG_GPOS
* @scripts: The array of scripts to collect features for
* @languages: The array of languages to collect features for
* @features: The array of features to collect
* @scripts: (nullable): The array of scripts to collect features for,
* terminated by %HB_TAG_NONE
* @languages: (nullable): The array of languages to collect features for,
* terminated by %HB_TAG_NONE
* @features: (nullable): The array of features to collect,
* terminated by %HB_TAG_NONE
* @feature_indexes: (out): The array of feature indexes found for the query
*
* Fetches a list of all feature indexes in the specified face's GSUB table
@ -1235,9 +1238,12 @@ hb_ot_layout_collect_features (hb_face_t *face,
* hb_ot_layout_collect_lookups:
* @face: #hb_face_t to work upon
* @table_tag: #HB_OT_TAG_GSUB or #HB_OT_TAG_GPOS
* @scripts: The array of scripts to collect lookups for
* @languages: The array of languages to collect lookups for
* @features: The array of features to collect lookups for
* @scripts: (nullable): The array of scripts to collect lookups for,
* terminated by %HB_TAG_NONE
* @languages: (nullable): The array of languages to collect lookups for,
* terminated by %HB_TAG_NONE
* @features: (nullable): The array of features to collect lookups for,
* terminated by %HB_TAG_NONE
* @lookup_indexes: (out): The array of lookup indexes found for the query
*
* Fetches a list of all feature-lookup indexes in the specified face's GSUB