📝 update documentation search

6 files changed, 191 insertions, 101 deletions

diff --git a/docs/fr/source/interface-utilisateur.rst b/docs/fr/source/interface-utilisateur.rst
index 9cb787503..05aab0e93 100644
--- a/docs/fr/source/interface-utilisateur.rst
+++ b/docs/fr/source/interface-utilisateur.rst
@@ -148,6 +148,13 @@ Pour exclure des éléments de la recherche, ajouter le critère depuis le formu
 
 **Exemple** : la recherche « ``-materiau="métal"`` » excluera de la recherche tous le mobilier métallique.
 
+Rempli/vide
++++++++++++
+
+Si vous souhaitez obtenir des éléments avec un critère spécifique rempli, définissez la valeur à « ``*`` ». Au contraire, si vous voulez obtenir des éléments avec un critère spécifique vide, définissez la valeur à « ``*`` », puis préfixez le critère avec « ``-`` ».
+
+**Exemple** : « ``material='*'`` » renvoie uniquement tous les éléments dont le matériau est défini, « ``-material='*'`` » renvoie tous les éléments dont le matériau n'est pas défini.
+
 Plus grand que, plus petit que, avant, après
 ++++++++++++++++++++++++++++++++++++++++++++
 
diff --git a/ishtar_common/templates/widgets/search_input.html b/ishtar_common/templates/widgets/search_input.html
index 2f8cba06f..832cfc20c 100644
--- a/ishtar_common/templates/widgets/search_input.html
+++ b/ishtar_common/templates/widgets/search_input.html
@@ -65,17 +65,20 @@
         <p><em>{% blocktrans %}Example: "071234" in an operation search will return the operation with the corresponding operation code in the Operation search field, and finds linked to the same operation in the Find search field.{% endblocktrans %}</em></p>
 
         <h3>{% trans "Criteria search" %}</h3>
-        <p>{% blocktrans %}Clicking on the <i class="fa fa-cog" aria-hidden="true"></i> icon takes you to a form that allows you to simply construct your search by criteria. Once this search query has been built up, the query can be adjusted.{% endblocktrans %}</p>
+        <p>{% blocktrans %}Clicking on the <i class="fa fa-cog" aria-hidden="true"></i> icon takes you to a form that allows you to simply construct your search by criteria. Once this search query has been built up, the query can be adjusted in the main search area.{% endblocktrans %}</p>
 
         <h4>{% trans "Open search" %}</h4>
-        <p>{% blocktrans %}In the criterion search, the engine searches exactly for the value entered. If you want an open search such as "contains the value", add an asterisk * to the value.{% endblocktrans %}</p>
-
-        <p><em>{% blocktrans %}Example: "denomination='éclat'" will return only those elements whose denomination is exactly "éclat", while "denomination='éclat*'" will return all elements whose denomination contains the word "éclat", e.g. batches of "éclats", "éclat retouché", etc.{% endblocktrans %}}</em></p>
+        <p>{% blocktrans %}In the search by criteria, the engine searches exactly for the value entered. If you want an open search such as "contains the value", add an asterisk * to the value.{% endblocktrans %}</p>
+        <p><em>{% blocktrans %}Example: "denomination='éclat'" will return only those items whose denomination is exactly "éclat", while "denomination='éclat*'" will return all items whose denomination contains the word "éclat", e.g. batches of "éclats", "éclat retouché", etc.{% endblocktrans %}</em></p>
 
         <h4>{% trans "Exclude" %}</h4>
-        <p>{% blocktrans %}To exclude items from the search, add the criterion from the form, then prefix the criterion with "-".{% endblocktrans %}</p>
+        <p>{% blocktrans %}To exclude items from the search, add the criterion from the form, then prefix the criterion with "-" in the main search area.{% endblocktrans %}</p>
         <p><em>{% blocktrans %}Example: the search "-material='metal'" will exclude all metal finds from the search.{% endblocktrans %}</em></p>
 
+        <h4>{% trans "Filled/empty" %}</h4>
+        <p>{% blocktrans %}If you want to get items with a specific criteria filled, set the value to "*". Instead if you want to get items with a specific criteria empty, set the value to "*", then prefix the criterion with "-".{% endblocktrans %}</p>
+        <p><em>{% blocktrans %}Example: "material='*'" will return only all items with a material set, "-material='*'" return all items with material not set.{% endblocktrans %}</em></p>
+
         <h4>{% trans "Greater than, lower than, before, after" %}</h4>
         <p>{% blocktrans %}For searches such as larger, smaller (for numeric fields), before, after (for date fields), add the criterion from the form, then change the "=" sign to "=>" or "=<", depending on the desired result.{% endblocktrans %}</p>
         <p><em>{% blocktrans %}Example: the search 'year=>"2019"' will return all items from 2019 and onwards.{% endblocktrans %}</em></p>
diff --git a/locale/de/LC_MESSAGES/django.po b/locale/de/LC_MESSAGES/django.po
index 109a451be..50f9c3f46 100644
--- a/locale/de/LC_MESSAGES/django.po
+++ b/locale/de/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-06-20 15:37+0200\n"
+"POT-Creation-Date: 2024-06-21 15:37+0200\n"
 "PO-Revision-Date: 2019-11-01 18:52+0000\n"
 "Last-Translator: Valérie-Emma Leroux <valerie-emma.leroux@iggdrasil.net>\n"
 "Language-Team: German <http://translate.iggdrasil.net/projects/ishtar/wip-"
@@ -15315,7 +15315,8 @@ msgstr ""
 msgid ""
 "Clicking on the <i class=\"fa fa-cog\" aria-hidden=\"true\"></i> icon takes "
 "you to a form that allows you to simply construct your search by criteria. "
-"Once this search query has been built up, the query can be adjusted."
+"Once this search query has been built up, the query can be adjusted in the "
+"main search area."
 msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:71
@@ -15324,63 +15325,80 @@ msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:72
 msgid ""
-"In the criterion search, the engine searches exactly for the value entered. "
-"If you want an open search such as \"contains the value\", add an asterisk * "
-"to the value."
+"In the search by criteria, the engine searches exactly for the value "
+"entered. If you want an open search such as \"contains the value\", add an "
+"asterisk * to the value."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:74
+#: ishtar_common/templates/widgets/search_input.html:73
 msgid ""
-"Example: \"denomination='éclat'\" will return only those elements whose "
+"Example: \"denomination='éclat'\" will return only those items whose "
 "denomination is exactly \"éclat\", while \"denomination='éclat*'\" will "
-"return all elements whose denomination contains the word \"éclat\", e.g. "
+"return all items whose denomination contains the word \"éclat\", e.g. "
 "batches of \"éclats\", \"éclat retouché\", etc."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:76
+#: ishtar_common/templates/widgets/search_input.html:75
 msgid "Exclude"
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:77
+#: ishtar_common/templates/widgets/search_input.html:76
 msgid ""
 "To exclude items from the search, add the criterion from the form, then "
-"prefix the criterion with \"-\"."
+"prefix the criterion with \"-\" in the main search area."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:78
+#: ishtar_common/templates/widgets/search_input.html:77
 msgid ""
 "Example: the search \"-material='metal'\" will exclude all metal finds from "
 "the search."
 msgstr ""
 
+#: ishtar_common/templates/widgets/search_input.html:79
+msgid "Filled/empty"
+msgstr ""
+
 #: ishtar_common/templates/widgets/search_input.html:80
-msgid "Greater than, lower than, before, after"
+msgid ""
+"If you want to get items with a specific criteria filled, set the value to "
+"\"*\". Instead if you want to get items with a specific criteria empty, set "
+"the value to \"*\", then prefix the criterion with \"-\"."
 msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:81
 msgid ""
+"Example: \"material='*'\" will return only all items with a material set, \"-"
+"material='*'\" return all items with material not set."
+msgstr ""
+
+#: ishtar_common/templates/widgets/search_input.html:83
+msgid "Greater than, lower than, before, after"
+msgstr ""
+
+#: ishtar_common/templates/widgets/search_input.html:84
+msgid ""
 "For searches such as larger, smaller (for numeric fields), before, after "
 "(for date fields), add the criterion from the form, then change the \"=\" "
 "sign to \"=>\" or \"=<\", depending on the desired result."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:82
+#: ishtar_common/templates/widgets/search_input.html:85
 msgid ""
 "Example: the search 'year=>\"2019\"' will return all items from 2019 and "
 "onwards."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:84
+#: ishtar_common/templates/widgets/search_input.html:87
 msgid "Full documentation for searches."
 msgstr ""
 
 #: ishtar_common/templatetags/window_tables.py:105
-#: ishtar_common/widgets.py:1319
+#: ishtar_common/widgets.py:1318
 msgid "No results"
 msgstr ""
 
 #: ishtar_common/templatetags/window_tables.py:106
-#: ishtar_common/widgets.py:1320
+#: ishtar_common/widgets.py:1319
 msgid "Loading..."
 msgstr ""
 
@@ -15620,24 +15638,24 @@ msgstr ""
 msgid "The character \" is not accepted."
 msgstr ""
 
-#: ishtar_common/widgets.py:651
+#: ishtar_common/widgets.py:650
 msgid "{} is not a valid key for {}"
 msgstr ""
 
-#: ishtar_common/widgets.py:791 ishtar_common/widgets.py:973
-#: ishtar_common/widgets.py:1101
+#: ishtar_common/widgets.py:790 ishtar_common/widgets.py:972
+#: ishtar_common/widgets.py:1100
 msgid "Search..."
 msgstr ""
 
-#: ishtar_common/widgets.py:904
+#: ishtar_common/widgets.py:903
 msgid "Prev.:"
 msgstr ""
 
-#: ishtar_common/widgets.py:908
+#: ishtar_common/widgets.py:907
 msgid "Restore previous"
 msgstr ""
 
-#: ishtar_common/widgets.py:1321
+#: ishtar_common/widgets.py:1320
 msgid "Remove"
 msgstr ""
 
diff --git a/locale/es/LC_MESSAGES/django.po b/locale/es/LC_MESSAGES/django.po
index e72fd307f..88c6d0a6d 100644
--- a/locale/es/LC_MESSAGES/django.po
+++ b/locale/es/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-06-20 15:37+0200\n"
+"POT-Creation-Date: 2024-06-21 15:37+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -15222,7 +15222,8 @@ msgstr ""
 msgid ""
 "Clicking on the <i class=\"fa fa-cog\" aria-hidden=\"true\"></i> icon takes "
 "you to a form that allows you to simply construct your search by criteria. "
-"Once this search query has been built up, the query can be adjusted."
+"Once this search query has been built up, the query can be adjusted in the "
+"main search area."
 msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:71
@@ -15231,63 +15232,80 @@ msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:72
 msgid ""
-"In the criterion search, the engine searches exactly for the value entered. "
-"If you want an open search such as \"contains the value\", add an asterisk * "
-"to the value."
+"In the search by criteria, the engine searches exactly for the value "
+"entered. If you want an open search such as \"contains the value\", add an "
+"asterisk * to the value."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:74
+#: ishtar_common/templates/widgets/search_input.html:73
 msgid ""
-"Example: \"denomination='éclat'\" will return only those elements whose "
+"Example: \"denomination='éclat'\" will return only those items whose "
 "denomination is exactly \"éclat\", while \"denomination='éclat*'\" will "
-"return all elements whose denomination contains the word \"éclat\", e.g. "
+"return all items whose denomination contains the word \"éclat\", e.g. "
 "batches of \"éclats\", \"éclat retouché\", etc."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:76
+#: ishtar_common/templates/widgets/search_input.html:75
 msgid "Exclude"
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:77
+#: ishtar_common/templates/widgets/search_input.html:76
 msgid ""
 "To exclude items from the search, add the criterion from the form, then "
-"prefix the criterion with \"-\"."
+"prefix the criterion with \"-\" in the main search area."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:78
+#: ishtar_common/templates/widgets/search_input.html:77
 msgid ""
 "Example: the search \"-material='metal'\" will exclude all metal finds from "
 "the search."
 msgstr ""
 
+#: ishtar_common/templates/widgets/search_input.html:79
+msgid "Filled/empty"
+msgstr ""
+
 #: ishtar_common/templates/widgets/search_input.html:80
-msgid "Greater than, lower than, before, after"
+msgid ""
+"If you want to get items with a specific criteria filled, set the value to "
+"\"*\". Instead if you want to get items with a specific criteria empty, set "
+"the value to \"*\", then prefix the criterion with \"-\"."
 msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:81
 msgid ""
+"Example: \"material='*'\" will return only all items with a material set, \"-"
+"material='*'\" return all items with material not set."
+msgstr ""
+
+#: ishtar_common/templates/widgets/search_input.html:83
+msgid "Greater than, lower than, before, after"
+msgstr ""
+
+#: ishtar_common/templates/widgets/search_input.html:84
+msgid ""
 "For searches such as larger, smaller (for numeric fields), before, after "
 "(for date fields), add the criterion from the form, then change the \"=\" "
 "sign to \"=>\" or \"=<\", depending on the desired result."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:82
+#: ishtar_common/templates/widgets/search_input.html:85
 msgid ""
 "Example: the search 'year=>\"2019\"' will return all items from 2019 and "
 "onwards."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:84
+#: ishtar_common/templates/widgets/search_input.html:87
 msgid "Full documentation for searches."
 msgstr ""
 
 #: ishtar_common/templatetags/window_tables.py:105
-#: ishtar_common/widgets.py:1319
+#: ishtar_common/widgets.py:1318
 msgid "No results"
 msgstr ""
 
 #: ishtar_common/templatetags/window_tables.py:106
-#: ishtar_common/widgets.py:1320
+#: ishtar_common/widgets.py:1319
 msgid "Loading..."
 msgstr ""
 
@@ -15527,24 +15545,24 @@ msgstr ""
 msgid "The character \" is not accepted."
 msgstr ""
 
-#: ishtar_common/widgets.py:651
+#: ishtar_common/widgets.py:650
 msgid "{} is not a valid key for {}"
 msgstr ""
 
-#: ishtar_common/widgets.py:791 ishtar_common/widgets.py:973
-#: ishtar_common/widgets.py:1101
+#: ishtar_common/widgets.py:790 ishtar_common/widgets.py:972
+#: ishtar_common/widgets.py:1100
 msgid "Search..."
 msgstr ""
 
-#: ishtar_common/widgets.py:904
+#: ishtar_common/widgets.py:903
 msgid "Prev.:"
 msgstr ""
 
-#: ishtar_common/widgets.py:908
+#: ishtar_common/widgets.py:907
 msgid "Restore previous"
 msgstr ""
 
-#: ishtar_common/widgets.py:1321
+#: ishtar_common/widgets.py:1320
 msgid "Remove"
 msgstr ""
 
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index ce57fa6c4..c4446a246 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-06-20 15:37+0200\n"
+"POT-Creation-Date: 2024-06-21 15:37+0200\n"
 "PO-Revision-Date: 2022-07-08 13:04+0000\n"
 "Last-Translator: Étienne Loks <etienne.loks@iggdrasil.net>\n"
 "Language-Team: French <http://translate.iggdrasil.net/projects/ishtar/wip-"
@@ -15604,8 +15604,8 @@ msgid ""
 "Each item in the database is indexed to ensure consistent results for free-"
 "entry searches."
 msgstr ""
-"Chaque élément de la base de données est indexé afin de pouvoir avoir des "
-"résultats cohérents lors d'une recherche en saisie libre."
+"Chaque élément de la base de données est indexé contextuellement pour "
+"obtenir des résultats cohérents lors d'une recherche en saisie libre."
 
 #: ishtar_common/templates/widgets/search_input.html:66
 msgid ""
@@ -15621,12 +15621,13 @@ msgstr ""
 msgid ""
 "Clicking on the <i class=\"fa fa-cog\" aria-hidden=\"true\"></i> icon takes "
 "you to a form that allows you to simply construct your search by criteria. "
-"Once this search query has been built up, the query can be adjusted."
+"Once this search query has been built up, the query can be adjusted in the "
+"main search area."
 msgstr ""
 "En cliquant sur l'icône <i class=\"fa fa-cog\" aria-hidden=\"true\"></i> on "
 "accède à un formulaire permettant de construire simplement sa recherche par "
 "critère. Une fois cette requête de recherche constituée, la requête peut "
-"être ajustée."
+"être ajustée dans la zone de recherche principale."
 
 #: ishtar_common/templates/widgets/search_input.html:71
 msgid "Open search"
@@ -15634,19 +15635,19 @@ msgstr "Recherche ouverte"
 
 #: ishtar_common/templates/widgets/search_input.html:72
 msgid ""
-"In the criterion search, the engine searches exactly for the value entered. "
-"If you want an open search such as \"contains the value\", add an asterisk * "
-"to the value."
+"In the search by criteria, the engine searches exactly for the value "
+"entered. If you want an open search such as \"contains the value\", add an "
+"asterisk * to the value."
 msgstr ""
 "Dans la recherche par critère, le moteur recherche exactement la valeur "
 "entrée. Si l'on souhaite faire une recherche ouverte du type « contient la "
 "valeur », il faut ajouter un astérisque * à la valeur."
 
-#: ishtar_common/templates/widgets/search_input.html:74
+#: ishtar_common/templates/widgets/search_input.html:73
 msgid ""
-"Example: \"denomination='éclat'\" will return only those elements whose "
+"Example: \"denomination='éclat'\" will return only those items whose "
 "denomination is exactly \"éclat\", while \"denomination='éclat*'\" will "
-"return all elements whose denomination contains the word \"éclat\", e.g. "
+"return all items whose denomination contains the word \"éclat\", e.g. "
 "batches of \"éclats\", \"éclat retouché\", etc."
 msgstr ""
 "Exemple : « denomination=\"éclat\" » retournera uniquement les éléments dont "
@@ -15654,19 +15655,20 @@ msgstr ""
 "renverra tous les éléments dont la dénomination contient le mot éclat, donc "
 "par exemple Lots d'éclats, éclat retouché, etc."
 
-#: ishtar_common/templates/widgets/search_input.html:76
+#: ishtar_common/templates/widgets/search_input.html:75
 msgid "Exclude"
 msgstr "Exclusion"
 
-#: ishtar_common/templates/widgets/search_input.html:77
+#: ishtar_common/templates/widgets/search_input.html:76
 msgid ""
 "To exclude items from the search, add the criterion from the form, then "
-"prefix the criterion with \"-\"."
+"prefix the criterion with \"-\" in the main search area."
 msgstr ""
 "Pour exclure des éléments de la recherche, ajouter le critère depuis le "
-"formulaire puis préfixer le critère par « - »."
+"formulaire puis préfixer le critère par « - » dans la zone de recherche "
+"principale."
 
-#: ishtar_common/templates/widgets/search_input.html:78
+#: ishtar_common/templates/widgets/search_input.html:77
 msgid ""
 "Example: the search \"-material='metal'\" will exclude all metal finds from "
 "the search."
@@ -15674,11 +15676,35 @@ msgstr ""
 "Exemple : la recherche « -materiau=\"métal\" » excluera de la recherche tous "
 "le mobilier métallique."
 
+#: ishtar_common/templates/widgets/search_input.html:79
+msgid "Filled/empty"
+msgstr "Rempli/vide"
+
 #: ishtar_common/templates/widgets/search_input.html:80
+msgid ""
+"If you want to get items with a specific criteria filled, set the value to "
+"\"*\". Instead if you want to get items with a specific criteria empty, set "
+"the value to \"*\", then prefix the criterion with \"-\"."
+msgstr ""
+"Si vous souhaitez obtenir des éléments avec un critère spécifique rempli, "
+"définissez la valeur à « * ». Au contraire, si vous voulez obtenir des "
+"éléments avec un critère spécifique vide, définissez la valeur à « * », puis "
+"préfixez le critère avec « - »."
+
+#: ishtar_common/templates/widgets/search_input.html:81
+msgid ""
+"Example: \"material='*'\" will return only all items with a material set, \"-"
+"material='*'\" return all items with material not set."
+msgstr ""
+"Exemple : « material='*' » renvoie uniquement tous les éléments dont le "
+"matériau est défini, « -material='*' » renvoie tous les éléments dont le "
+"matériau n'est pas défini."
+
+#: ishtar_common/templates/widgets/search_input.html:83
 msgid "Greater than, lower than, before, after"
 msgstr "Plus grand que, plus petit que, avant, après"
 
-#: ishtar_common/templates/widgets/search_input.html:81
+#: ishtar_common/templates/widgets/search_input.html:84
 msgid ""
 "For searches such as larger, smaller (for numeric fields), before, after "
 "(for date fields), add the criterion from the form, then change the \"=\" "
@@ -15689,7 +15715,7 @@ msgstr ""
 "depuis le formulaire puis modifier le signe « = » en « => » ou « =< » selon "
 "le résultat souhaité."
 
-#: ishtar_common/templates/widgets/search_input.html:82
+#: ishtar_common/templates/widgets/search_input.html:85
 msgid ""
 "Example: the search 'year=>\"2019\"' will return all items from 2019 and "
 "onwards."
@@ -15697,17 +15723,17 @@ msgstr ""
 "Exemple : la recherche « annee=>\"2019\" » permet d'obtenir tous les "
 "éléments de 2019 et après."
 
-#: ishtar_common/templates/widgets/search_input.html:84
+#: ishtar_common/templates/widgets/search_input.html:87
 msgid "Full documentation for searches."
 msgstr "Documentation complète pour les recherches."
 
 #: ishtar_common/templatetags/window_tables.py:105
-#: ishtar_common/widgets.py:1319
+#: ishtar_common/widgets.py:1318
 msgid "No results"
 msgstr "Pas de résultats"
 
 #: ishtar_common/templatetags/window_tables.py:106
-#: ishtar_common/widgets.py:1320
+#: ishtar_common/widgets.py:1319
 msgid "Loading..."
 msgstr "Chargement..."
 
@@ -15953,24 +15979,24 @@ msgstr "aujourdhui"
 msgid "The character \" is not accepted."
 msgstr "Le caractère \" n'est pas accepté."
 
-#: ishtar_common/widgets.py:651
+#: ishtar_common/widgets.py:650
 msgid "{} is not a valid key for {}"
 msgstr "{} n’est pas une valeur valide pour {}"
 
-#: ishtar_common/widgets.py:791 ishtar_common/widgets.py:973
-#: ishtar_common/widgets.py:1101
+#: ishtar_common/widgets.py:790 ishtar_common/widgets.py:972
+#: ishtar_common/widgets.py:1100
 msgid "Search..."
 msgstr "Recherche..."
 
-#: ishtar_common/widgets.py:904
+#: ishtar_common/widgets.py:903
 msgid "Prev.:"
 msgstr "Préc. :"
 
-#: ishtar_common/widgets.py:908
+#: ishtar_common/widgets.py:907
 msgid "Restore previous"
 msgstr "Restaurer précédent"
 
-#: ishtar_common/widgets.py:1321
+#: ishtar_common/widgets.py:1320
 msgid "Remove"
 msgstr "Enlever"
 
diff --git a/locale/pt/LC_MESSAGES/django.po b/locale/pt/LC_MESSAGES/django.po
index e72fd307f..88c6d0a6d 100644
--- a/locale/pt/LC_MESSAGES/django.po
+++ b/locale/pt/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-06-20 15:37+0200\n"
+"POT-Creation-Date: 2024-06-21 15:37+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -15222,7 +15222,8 @@ msgstr ""
 msgid ""
 "Clicking on the <i class=\"fa fa-cog\" aria-hidden=\"true\"></i> icon takes "
 "you to a form that allows you to simply construct your search by criteria. "
-"Once this search query has been built up, the query can be adjusted."
+"Once this search query has been built up, the query can be adjusted in the "
+"main search area."
 msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:71
@@ -15231,63 +15232,80 @@ msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:72
 msgid ""
-"In the criterion search, the engine searches exactly for the value entered. "
-"If you want an open search such as \"contains the value\", add an asterisk * "
-"to the value."
+"In the search by criteria, the engine searches exactly for the value "
+"entered. If you want an open search such as \"contains the value\", add an "
+"asterisk * to the value."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:74
+#: ishtar_common/templates/widgets/search_input.html:73
 msgid ""
-"Example: \"denomination='éclat'\" will return only those elements whose "
+"Example: \"denomination='éclat'\" will return only those items whose "
 "denomination is exactly \"éclat\", while \"denomination='éclat*'\" will "
-"return all elements whose denomination contains the word \"éclat\", e.g. "
+"return all items whose denomination contains the word \"éclat\", e.g. "
 "batches of \"éclats\", \"éclat retouché\", etc."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:76
+#: ishtar_common/templates/widgets/search_input.html:75
 msgid "Exclude"
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:77
+#: ishtar_common/templates/widgets/search_input.html:76
 msgid ""
 "To exclude items from the search, add the criterion from the form, then "
-"prefix the criterion with \"-\"."
+"prefix the criterion with \"-\" in the main search area."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:78
+#: ishtar_common/templates/widgets/search_input.html:77
 msgid ""
 "Example: the search \"-material='metal'\" will exclude all metal finds from "
 "the search."
 msgstr ""
 
+#: ishtar_common/templates/widgets/search_input.html:79
+msgid "Filled/empty"
+msgstr ""
+
 #: ishtar_common/templates/widgets/search_input.html:80
-msgid "Greater than, lower than, before, after"
+msgid ""
+"If you want to get items with a specific criteria filled, set the value to "
+"\"*\". Instead if you want to get items with a specific criteria empty, set "
+"the value to \"*\", then prefix the criterion with \"-\"."
 msgstr ""
 
 #: ishtar_common/templates/widgets/search_input.html:81
 msgid ""
+"Example: \"material='*'\" will return only all items with a material set, \"-"
+"material='*'\" return all items with material not set."
+msgstr ""
+
+#: ishtar_common/templates/widgets/search_input.html:83
+msgid "Greater than, lower than, before, after"
+msgstr ""
+
+#: ishtar_common/templates/widgets/search_input.html:84
+msgid ""
 "For searches such as larger, smaller (for numeric fields), before, after "
 "(for date fields), add the criterion from the form, then change the \"=\" "
 "sign to \"=>\" or \"=<\", depending on the desired result."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:82
+#: ishtar_common/templates/widgets/search_input.html:85
 msgid ""
 "Example: the search 'year=>\"2019\"' will return all items from 2019 and "
 "onwards."
 msgstr ""
 
-#: ishtar_common/templates/widgets/search_input.html:84
+#: ishtar_common/templates/widgets/search_input.html:87
 msgid "Full documentation for searches."
 msgstr ""
 
 #: ishtar_common/templatetags/window_tables.py:105
-#: ishtar_common/widgets.py:1319
+#: ishtar_common/widgets.py:1318
 msgid "No results"
 msgstr ""
 
 #: ishtar_common/templatetags/window_tables.py:106
-#: ishtar_common/widgets.py:1320
+#: ishtar_common/widgets.py:1319
 msgid "Loading..."
 msgstr ""
 
@@ -15527,24 +15545,24 @@ msgstr ""
 msgid "The character \" is not accepted."
 msgstr ""
 
-#: ishtar_common/widgets.py:651
+#: ishtar_common/widgets.py:650
 msgid "{} is not a valid key for {}"
 msgstr ""
 
-#: ishtar_common/widgets.py:791 ishtar_common/widgets.py:973
-#: ishtar_common/widgets.py:1101
+#: ishtar_common/widgets.py:790 ishtar_common/widgets.py:972
+#: ishtar_common/widgets.py:1100
 msgid "Search..."
 msgstr ""
 
-#: ishtar_common/widgets.py:904
+#: ishtar_common/widgets.py:903
 msgid "Prev.:"
 msgstr ""
 
-#: ishtar_common/widgets.py:908
+#: ishtar_common/widgets.py:907
 msgid "Restore previous"
 msgstr ""
 
-#: ishtar_common/widgets.py:1321
+#: ishtar_common/widgets.py:1320
 msgid "Remove"
 msgstr ""