[gexiv2] doc: Fixups for new functions

[Jens Georg <jensgeorg src gnome org>]

commit 41b32c3d88f415cd61540d39476c271235e9b3bd
Author: Jens Georg <mail jensge org>
Date:   Sat Feb 20 12:43:38 2021 +0100

    doc: Fixups for new functions

 docs/reference/gexiv2-sections.txt | 55 +++++++++++++++++++++++++++-----------
 gexiv2/gexiv2-metadata.h           |  1 +
 2 files changed, 40 insertions(+), 16 deletions(-)
---
diff --git a/docs/reference/gexiv2-sections.txt b/docs/reference/gexiv2-sections.txt
index f67162e..06ed192 100644
--- a/docs/reference/gexiv2-sections.txt
+++ b/docs/reference/gexiv2-sections.txt
@@ -19,15 +19,19 @@ GExiv2XmpFormatFlags
 gexiv2_metadata_is_xmp_tag
 gexiv2_metadata_get_supports_xmp
 gexiv2_metadata_has_xmp
-gexiv2_metadata_set_xmp_tag_struct
+gexiv2_metadata_try_set_xmp_tag_struct
 gexiv2_metadata_clear_xmp
-gexiv2_metadata_generate_xmp_packet
-gexiv2_metadata_get_xmp_packet
+gexiv2_metadata_try_generate_xmp_packet
+gexiv2_metadata_try_get_xmp_packet
 gexiv2_metadata_get_xmp_tags
 gexiv2_metadata_register_xmp_namespace
 gexiv2_metadata_unregister_xmp_namespace
 gexiv2_metadata_unregister_all_xmp_namespaces
 gexiv2_metadata_get_xmp_namespace_for_tag
+<SUBSECTION>
+gexiv2_metadata_get_xmp_packet
+gexiv2_metadata_generate_xmp_packet
+gexiv2_metadata_set_xmp_tag_struct
 <SUBSECTION Standard>
 GEXIV2_TYPE_GEXIV2_XMP_FORMAT_FLAGS
 gexiv2_gexiv2_xmp_format_flags_get_type
@@ -40,13 +44,16 @@ gexiv2_metadata_get_supports_exif
 gexiv2_metadata_has_exif
 gexiv2_metadata_get_exif_tags
 gexiv2_metadata_clear_exif
-gexiv2_metadata_get_exif_tag_rational
-gexiv2_metadata_set_exif_tag_rational
+gexiv2_metadata_try_get_exif_tag_rational
+gexiv2_metadata_try_set_exif_tag_rational
 gexiv2_metadata_get_exif_thumbnail
 gexiv2_metadata_get_exif_data
 gexiv2_metadata_set_exif_thumbnail_from_file
 gexiv2_metadata_set_exif_thumbnail_from_buffer
 gexiv2_metadata_erase_exif_thumbnail
+<SUBSECTION>
+gexiv2_metadata_get_exif_tag_rational
+gexiv2_metadata_set_exif_tag_rational
 </SECTION>
 
 <SECTION>
@@ -96,15 +103,23 @@ gexiv2_metadata_get_exposure_time
 gexiv2_metadata_get_fnumber
 gexiv2_metadata_get_focal_length
 gexiv2_metadata_get_iso_speed
-gexiv2_metadata_get_gps_longitude
+gexiv2_metadata_try_get_gps_latitude
+gexiv2_metadata_try_get_gps_longitude
+gexiv2_metadata_try_get_gps_altitude
+gexiv2_metadata_try_get_gps_info
+gexiv2_metadata_try_set_gps_info
+gexiv2_metadata_try_update_gps_info
+gexiv2_metadata_try_delete_gps_info
+gexiv2_metadata_get_preview_properties
+gexiv2_metadata_get_preview_image
+<SUBSECTION>
+gexiv2_metadata_delete_gps_info
+gexiv2_metadata_get_gps_info
 gexiv2_metadata_get_gps_latitude
+gexiv2_metadata_get_gps_longitude
 gexiv2_metadata_get_gps_altitude
-gexiv2_metadata_get_gps_info
 gexiv2_metadata_set_gps_info
 gexiv2_metadata_update_gps_info
-gexiv2_metadata_delete_gps_info
-gexiv2_metadata_get_preview_properties
-gexiv2_metadata_get_preview_image
 </SECTION>
 
 <SECTION>
@@ -119,9 +134,9 @@ gexiv2_metadata_free
 gexiv2_metadata_has_tag
 gexiv2_metadata_clear_tag
 gexiv2_metadata_clear
-gexiv2_metadata_get_tag_label
-gexiv2_metadata_get_tag_description
-gexiv2_metadata_get_tag_type
+gexiv2_metadata_try_get_tag_label
+gexiv2_metadata_try_get_tag_description
+gexiv2_metadata_try_get_tag_type
 gexiv2_metadata_get_mime_type
 gexiv2_metadata_get_pixel_width
 gexiv2_metadata_get_pixel_height
@@ -129,13 +144,21 @@ gexiv2_metadata_get_tag_string
 gexiv2_metadata_try_get_tag_string
 gexiv2_metadata_set_tag_string
 gexiv2_metadata_try_set_tag_string
-gexiv2_metadata_get_tag_interpreted_string
-gexiv2_metadata_get_tag_long
-gexiv2_metadata_set_tag_long
+gexiv2_metadata_try_get_tag_interpreted_string
+gexiv2_metadata_try_get_tag_long
+gexiv2_metadata_try_set_tag_long
 gexiv2_metadata_get_tag_multiple
 gexiv2_metadata_try_get_tag_multiple
 gexiv2_metadata_set_tag_multiple
 gexiv2_metadata_try_set_tag_multiple
+gexiv2_metadata_try_get_tag_raw
+<SUBSECTION>
+gexiv2_metadata_get_tag_label
+gexiv2_metadata_get_tag_description
+gexiv2_metadata_get_tag_type
+gexiv2_metadata_get_tag_interpreted_string
+gexiv2_metadata_get_tag_long
+gexiv2_metadata_set_tag_long
 gexiv2_metadata_get_tag_raw
 <SUBSECTION Standard>
 GEXIV2_IS_METADATA
diff --git a/gexiv2/gexiv2-metadata.h b/gexiv2/gexiv2-metadata.h
index d9a3b7b..806a271 100644
--- a/gexiv2/gexiv2-metadata.h
+++ b/gexiv2/gexiv2-metadata.h
@@ -1536,6 +1536,7 @@ gboolean          gexiv2_metadata_update_gps_info                         
(GExiv2Metadata *self, gdouble long
 /**
  * gexiv2_metadata_try_delete_gps_info:
  * @self: An instance of #GExiv2Metadata
+ * @error: (allow-none): A return location for a #GError or %NULL
  *
  * Removes all GPS metadata from the loaded image
  *