This patch adds support for Poppler 0.76 and later.

Taken from upstream:
<https://gitlab.com/inkscape/inkscape/commit/e831b034746f8dc3c3c1b88372751f6dcb974831>

diff --git a/src/extension/internal/pdfinput/pdf-parser.cpp b/src/extension/internal/pdfinput/pdf-parser.cpp
index 8484984bdf..4f798e35bf 100644
--- a/src/extension/internal/pdfinput/pdf-parser.cpp
+++ b/src/extension/internal/pdfinput/pdf-parser.cpp
@@ -421,7 +421,7 @@ void PdfParser::parse(Object *obj, GBool topLevel) {
 	error(errInternal, -1, "Weird page contents");
     	return;
   }
-  parser = new Parser(xref, new Lexer(xref, obj), gFalse);
+  parser = new _POPPLER_NEW_PARSER(xref, obj);
   go(topLevel);
   delete parser;
   parser = nullptr;
diff --git a/src/extension/internal/pdfinput/poppler-transition-api.h b/src/extension/internal/pdfinput/poppler-transition-api.h
index 61a15083a0..5e8bc4ae90 100644
--- a/src/extension/internal/pdfinput/poppler-transition-api.h
+++ b/src/extension/internal/pdfinput/poppler-transition-api.h
@@ -14,6 +14,13 @@
 
 #include <glib/poppler-features.h>
 
+#if POPPLER_CHECK_VERSION(0, 76, 0)
+#define _POPPLER_NEW_PARSER(xref, obj) Parser(xref, obj, gFalse)
+#else
+#define _POPPLER_NEW_PARSER(xref, obj) Parser(xref, new Lexer(xref, obj), gFalse)
+#endif
+
+
 #if POPPLER_CHECK_VERSION(0, 72, 0)
 #define getCString c_str
 #endif
LINGUAS?id=67def63b48fc8f46a38f448993865c1bdc9b7668'>commit</a><a href='/guix/diff/po/packages/LINGUAS?id=67def63b48fc8f46a38f448993865c1bdc9b7668'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/po/packages/LINGUAS'>
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<div class='path'>path: <a href='/guix/log/?id=67def63b48fc8f46a38f448993865c1bdc9b7668'>root</a>/<a href='/guix/log/po?id=67def63b48fc8f46a38f448993865c1bdc9b7668'>po</a>/<a href='/guix/log/po/packages?id=67def63b48fc8f46a38f448993865c1bdc9b7668'>packages</a>/<a href='/guix/log/po/packages/LINGUAS?id=67def63b48fc8f46a38f448993865c1bdc9b7668'>LINGUAS</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/po/packages/LINGUAS?id=67def63b48fc8f46a38f448993865c1bdc9b7668&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-06-30 14:26:07 +0200'>2023-06-30</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=8af22b493199a17f46351c2f3d9f6ee759e48564'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/ja.po: New file.
* po/packages/LINGUAS: Add it.
</span></span></td><td>Florian Pelz</td></tr>
<tr><td><span title='2023-01-05 08:14:55 +0100'>2023-01-05</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=dc7eb6f07ae982b4c9d083cfb10f72cb031c0424'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/guix/ka.po: New file.
* po/guix/LINGUAS: Add it.
* po/packages/uk.po: New file.
* po/packages/LINGUAS: Add it.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2022-12-04 22:25:23 +0100'>2022-12-04</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=2e75b328b6bbdadbffe5b643a4891b5026a0defd'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>po/packages/vi.po: New file.
po/packages/LINGUAS: Add it.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2022-06-04 17:42:54 +0200'>2022-06-04</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=809c57c872a6dd48007d1abf6d7f3dd1482ec53a'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>po/packages/tr.po: New file.
po/packages/LINGUAS: Add it.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2022-04-02 18:42:36 +0200'>2022-04-02</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=8a208df17fe81fbf34f5a86cc52bb0b8e33c7b96'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/fi.po: New file.
* po/packages/LINGUAS: Add it.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-09-02 04:06:52 +0200'>2021-09-02</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=1ff2092a39dc5c7c7cd9b4a0ba4b59f92e738efc'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/it.po: New file.
* po/packages/LINGUAS: Add `it'.
* po/*/*.po: Update translations.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-05-10 22:27:53 -0400'>2021-05-10</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=63d26e81eea7be63caeb0eb7ca26ca1cf963ec97'>nls: New nl and oc translations for the 'packages' component.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/nl.po: New file.
* po/packages/oc.po: Likewise.
* po/packages/LINGUAS: Register them.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-04-18 21:07:24 +0200'>2021-04-18</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=a209c597e2e4e030bbaeb449779b311736026aa1'>nls: Remove 'vi' in LINGUAS</a><span class='msg-avail'>...<span class='msg-tooltip'>The po file is no longer available.

* po/packages/LINGUAS: Remove 'vi'.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-04-18 13:18:22 +0200'>2021-04-18</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=0f355124af123f793bfd3011341d2d539c965884'>nls: Add Korean translation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-cookbook.ko.po: New file.
* po/doc/guix-manual.ko.po: New file.
* doc/local.mk (info_TEXINFOS): Add them.
* po/doc/local.mk (DOC_PO_FILES, DOC_COOKBOOK_PO_FILES): Add them.
* po/guix/ko.po: New file.
* po/guix/LINGUAS: Add 'ko'.
* po/packages/ko.po: New file.
* po/packages/LINGUAS: Add 'ko'.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-04-18 13:18:17 +0200'>2021-04-18</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=43fb84da6749a78d12ac0f13db4cecb435de7903'>nls: Add Persian translation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/fa.po: New file.
* po/packages/LINGUAS: Add 'fa'.
* po/doc/guix-cookbook.fa.po: New file.
* po/doc/guix-manual.fa.po: New file.
* po/doc/local.mk (DOC_PO_FILES, DOC_COOKBOOK_PO_FILES): Add them.
* doc/local.mk (info_TEXINFOS): Add them.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-04-18 13:18:13 +0200'>2021-04-18</span></td><td><a href='/guix/commit/po/packages/LINGUAS?id=77c6c0aa577939da4d35a1ba95ea998459a3f337'>nls: Add Slovak translation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/sk.po: New file.
* po/packages/LINGUAS: Add 'sk'.
* po/doc/guix-manual.sk.po: New file.
* doc/local.mk (info_TEXINFOS): Add it.
* po/doc/local.mk (DOC_PO_FILES): Add it.
</span></span></td><td>Julien Lepiller</td></tr>