Merge pull request #14218 from janekotovich/subform_min_0

XFA subform with occur min=0 and no bound data displaying.

Author: calixteman

src/core/xfa/bind.js

@@ -635,6 +635,13 @@ class Binder {
             /* skipConsumed = */ this.emptyMerge
           ).next().value;
           if (!match) {
+            // If there is no match (no data) and `min === 0` then
+            // the container is entirely excluded.
+            // https://www.pdfa.org/norm-refs/XFA-3_3.pdf#G12.1428332
+            if (min === 0) {
+              uselessNodes.push(child);
+              continue;
+            }
             // We're in matchTemplate mode so create a node in data to reflect
             // what we've in template.
             const nsId =

test/pdfs/.gitignore

@@ -213,6 +213,7 @@
 !issue4402_reduced.pdf
 !issue845r.pdf
 !issue3405r.pdf
+!issue14130.pdf
 !issue7339_reduced.pdf
 !issue3438.pdf
 !issue11403_reduced.pdf

test/pdfs/issue14130.pdf

@@ -4402,6 +4402,13 @@
        "link": false,
        "type": "eq"
     },
+    {  "id": "issue14130",
+       "file": "pdfs/issue14130.pdf",
+       "md5": "82e7efb0a10122e793fc64348d93dc4e",
+       "enableXfa": true,
+       "rounds": 1,
+       "type": "eq"
+    },
     {  "id": "issue6151",
        "file": "pdfs/issue6151.pdf",
        "md5": "926f8c6b25e6f0978759f7947d70e079",