```xml
- QUADRO C - Redditi di lavoro...
+ QUADRO C - Redditi di lavoro...
- SEZIONE I - RE...
+ SEZIONE I - RE...
Casi particolari
@@ -1278,7 +1278,7 @@ Field region with mixed content:
Codice Stato estero
- C1
+ C1
1
TIPO
@@ -1299,7 +1299,7 @@ Field region with mixed content:
ALTRI DATI
- C2
+ C2
1
TIPO
@@ -1327,7 +1327,7 @@ Field region with mixed content:
ALTRI DATI
- C3
+ C3
1
TIPO
@@ -1348,8 +1348,8 @@ Field region with mixed content:
ALTRI DATI
- C4
- SOMME PER PREMI...
+ C4
+ SOMME PER PREMI...
1
@@ -3004,21 +3004,31 @@ This appendix is informative and does not define conformance requirements.
#### Pictures
-For the `label.value` of `` elements, we recommend using the values defined below, or `undefined` if no more specific label is applicable:
+For the `label.value` of `` elements, we recommend using the values defined below:
| Context | Recommended values |
| --- | --- |
| `` | `bar_chart`, `box_plot`, `flow_chart`, `line_chart`, `pie_chart`, `scatter_plot` |
| else, i.e. `` (default) | `full_page_image`, `page_thumbnail`, `photograph`, `chemistry_structure`, `bar_code`, `icon`, `logo`, `qr_code`, `signature`, `stamp`, `engineering_drawing`, `screenshot_from_computer`, `screenshot_from_manual`, `geographical_map`, `topographical_map`, `calendar`, `crossword_puzzle`, `music` |
+Additional special cases:
+- `other`: use when the picture was examined but does not fit any of the recommended values from above (e.g. a chart that is not bar/box/flow/line/pie/scatter).
+- `undefined`: use when classification has not been performed (default [`label@value`](#label)).
+
+Note: [`picture@class="undefined"`](#picture) (default picture type) and `label@value="undefined"` (unclassified subclass) are independent.
+
#### Code
-For the `label.value` of `` elements, we recommend using the values defined below, or `undefined` if no more specific label is applicable:
+For the `label.value` of `` elements, we recommend using the values defined below:
| Context | Recommended values |
| --- | --- |
| `` | [Linguist](https://github.com/github-linguist/linguist/blob/v9.5.0/lib/linguist/languages.yml) v9.5.0 language keys (e.g. `Python`) |
+Additional special cases:
+- `other`: use when the code was examined but does not match any of the recommended values from above.
+- `undefined`: use when classification has not been performed (default [`label@value`](#label)).
+
### Custom vocabulary naming and namespacing
Content inside [``](#custom) is implementation-defined and not governed by this standard.
@@ -3046,7 +3056,7 @@ The token vocabulary trades off size and inference cost:
| `"/>` | end of self-closing element with attributes |
| `` | [`text`](#text) start |
| `` | [`text`](#text) end |
-| `` | level-1 [`heading`](#heading) start |
+| `` | level-1 [`heading`](#heading) start |
| `` | level-2 [`heading`](#heading) start |
| `` | level-3 [`heading`](#heading) start |
| `` | level-4 [`heading`](#heading) start |
@@ -3079,7 +3089,7 @@ The token vocabulary trades off size and inference cost:
| `` | [`marker`](#marker) end |
| `` | [`group`](#group) start |
| `` | [`group`](#group) end |
-| `` | level-1 [`field_heading`](#field_heading) start |
+| `` | level-1 [`field_heading`](#field_heading) start |
| `` | level-2 [`field_heading`](#field_heading) start |
| `` | level-3 [`field_heading`](#field_heading) start |
| `` | level-4 [`field_heading`](#field_heading) start |
|