diff --git a/DESCRIPTION b/DESCRIPTION
index ffb2e33..f161572 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -47,5 +47,5 @@ Suggests:
     testthat (>= 3.0.0)
 Remotes:  
     ropensci-review-tools/babelquarto,
-    ropensci/tinkr
+    ropensci/tinkr@feature-add-get-protected
 Config/testthat/edition: 3
diff --git a/R/translate.R b/R/translate.R
index 39ae1d2..1c75960 100644
--- a/R/translate.R
+++ b/R/translate.R
@@ -157,11 +157,13 @@ translate_part <- function(xml,
   woolish$body <- fakify_xml(xml)
 
   ## protect content inside curly braces and math ----
-  woolish$body <- tinkr::protect_math(woolish$body)
-  woolish$body <- tinkr::protect_curly(woolish$body)
-  curlies <- xml2::xml_find_all(woolish$body, "//*[@curly]")
+  ## protect content inside curly braces and math ----
+  woolish$protect_math()$protect_curly()
+
+  curlies <- woolish$get_protected("curly")
   purrr::walk(curlies, protect_curly)
-  maths <- xml2::xml_find_all(woolish$body, "//*[@asis='true']")
+
+  maths <- woolish$get_protected("math")
   purrr::walk(maths, protect_math)
 
   ## protect content inside square brackets ----
diff --git a/tests/testthat/_snaps/translate.new.md b/tests/testthat/_snaps/translate.new.md
new file mode 100644
index 0000000..5a9c617
--- /dev/null
+++ b/tests/testthat/_snaps/translate.new.md
@@ -0,0 +1,66 @@
+# deepl_translate() errors well
+
+    Code
+      deepl_translate("non-existing-file")
+    Condition
+      Error in `deepl_translate()`:
+      ! Can't find path "non-existing-file".
+
+---
+
+    Code
+      deepl_translate(file, glossary_name = "non-existing-glossary", source_lang = "en",
+        target_lang = "es")
+    Condition
+      Error in `deepl_translate()`:
+      ! Can't find glossary_name "non-existing-glossary".
+      i Check the spelling, or create it with `upsert_glossary()`.
+
+---
+
+    Code
+      deepl_translate(file, formality = "non-existing-formality", source_lang = "en",
+        target_lang = "es")
+    Condition
+      Error in `deepl_translate()`:
+      ! `formality` must be one of "default", "more", "less", "prefer_more", or "prefer_less", not "non-existing-formality".
+
+# deepl_translate() handles equations well
+
+    Code
+      math_lines[4]
+    Output
+      [1] ""
+
+---
+
+    Code
+      sub(".*que ", "", math_lines[7])
+    Output
+      [1] "$i_t = j_t$"
+
+---
+
+    Code
+      math_lines[9]
+    Output
+      [1] ""
+
+# deepl_translate() handles equations+footnote well
+
+    Code
+      foot_math_lines
+    Output
+      [1] "See $a$ an equation with a note afterwards [^1] ."
+      [2] ""                                                 
+      [3] "[^1]: a footnote."                                
+      [4] ""                                                 
+      [5] ""                                                 
+
+# deepl_translate() handles equations with curly well
+
+    Code
+      foot_curly_lines[5]
+    Output
+      [1] "$a_{ij}$"
+
diff --git a/tests/testthat/fixtures/example-equations-curly/api/translate-adef71-POST.json b/tests/testthat/fixtures/example-equations-curly/api/translate-8089b4-POST.json
similarity index 69%
rename from tests/testthat/fixtures/example-equations-curly/api/translate-adef71-POST.json
rename to tests/testthat/fixtures/example-equations-curly/api/translate-8089b4-POST.json
index b66f6c9..ebeebeb 100644
--- a/tests/testthat/fixtures/example-equations-curly/api/translate-adef71-POST.json
+++ b/tests/testthat/fixtures/example-equations-curly/api/translate-8089b4-POST.json
@@ -2,7 +2,7 @@
     "translations": [
         {
             "detected_source_language": "FR",
-            "text": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n<document xmlns=\"http://commonmark.org/xml/1.0\">\n  <paragraph>\n    <text xml:space=\"preserve\"/>\n    <math asis=\"true\">$a_{ij}$<\/math>\n    <text/>\n  <\/paragraph>\n<\/document>\n"
+            "text": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n<document xmlns=\"http://commonmark.org/xml/1.0\">\n  <paragraph>\n    <text xml:space=\"preserve\"/>\n    <math asis=\"true\" math=\"true\">$a_{ij}$<\/math>\n    <text/>\n  <\/paragraph>\n<\/document>\n"
         }
     ]
 }
diff --git a/tests/testthat/fixtures/example-equations-footnote/api/translate-37ec3f-POST.json b/tests/testthat/fixtures/example-equations-footnote/api/translate-37ec3f-POST.json
new file mode 100644
index 0000000..e405299
--- /dev/null
+++ b/tests/testthat/fixtures/example-equations-footnote/api/translate-37ec3f-POST.json
@@ -0,0 +1,8 @@
+{
+    "translations": [
+        {
+            "detected_source_language": "FR",
+            "text": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n<document xmlns=\"http://commonmark.org/xml/1.0\">\n  <paragraph>\n   <text xml:space=\"preserve\">See <\/text>\n   <math asis=\"true\" math=\"true\">$a$<\/math>\n   <text xml:space=\"preserve\">\n      <text xml:space=\"preserve\"> an equation with a note afterwards <\/text>\n     <squary>\n        <notranslate>^1<\/notranslate>\n      <\/squary>\n     <text>.<\/text>\n   <\/text>\n  <\/paragraph>\n  <paragraph>\n   <text xml:space=\"preserve\">\n     <squary><notranslate>^1<\/notranslate>:<\/squary>\n      <text> a footnote.<\/text>\n   <\/text>\n  <\/paragraph>\n<\/document>\n"
+        }
+    ]
+}
diff --git a/tests/testthat/fixtures/example-equations-footnote/api/translate-746e3b-POST.json b/tests/testthat/fixtures/example-equations-footnote/api/translate-746e3b-POST.json
deleted file mode 100644
index 4f8bf0a..0000000
--- a/tests/testthat/fixtures/example-equations-footnote/api/translate-746e3b-POST.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "translations": [
-        {
-            "detected_source_language": "FR",
-            "text": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n<document xmlns=\"http://commonmark.org/xml/1.0\">\n  <paragraph>\n   <text xml:space=\"preserve\">See <\/text>\n   <math asis=\"true\">$a$<\/math>\n   <text xml:space=\"preserve\">\n      <text xml:space=\"preserve\"> an equation with a note afterwards <\/text>\n     <squary>\n        <notranslate>^1<\/notranslate>\n      <\/squary>\n     <text>.<\/text>\n   <\/text>\n  <\/paragraph>\n  <paragraph>\n   <text xml:space=\"preserve\">\n     <squary><notranslate>^1<\/notranslate>:<\/squary>\n      <text> a footnote.<\/text>\n   <\/text>\n  <\/paragraph>\n<\/document>\n"
-        }
-    ]
-}
diff --git a/tests/testthat/fixtures/example-equations/api/translate-a9b85c-POST.json b/tests/testthat/fixtures/example-equations/api/translate-a9b85c-POST.json
new file mode 100644
index 0000000..6a03a02
--- /dev/null
+++ b/tests/testthat/fixtures/example-equations/api/translate-a9b85c-POST.json
@@ -0,0 +1,8 @@
+{
+    "translations": [
+        {
+            "detected_source_language": "EN",
+            "text": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n<document xmlns=\"http://commonmark.org/xml/1.0\">\n  <paragraph>\n   <text xml:space=\"preserve\">Algo de texto.<\/text>\n  <\/paragraph>\n  <paragraph>\n    <math xml:space=\"preserve\" asis=\"true\" math=\"true\">$$<\/math>\n    <math asis=\"true\" math=\"true\"/>\n    <math xml:space=\"preserve\" asis=\"true\" math=\"true\">E = m \\times c^2<\/math>\n    <math asis=\"true\" math=\"true\"/>\n    <math xml:space=\"preserve\" asis=\"true\" math=\"true\">$$<\/math>\n  <\/paragraph>\n  <paragraph>\n   <text xml:space=\"preserve\">¿Te parece bonita esta ecuación? Observa que <\/text>\n   <math asis=\"true\" math=\"true\">$\\alpha=1$<\/math>\n    <text> y <\/text>\n   <math asis=\"true\" math=\"true\">$b$<\/math>\n    <text> no está definida.<\/text>\n  <\/paragraph>\n  <paragraph>\n    <text xml:space=\"preserve\"/>\n    <math asis=\"true\" math=\"true\">$i_t = j_t$<\/math>\n    <text/>\n  <\/paragraph>\n<\/document>\n"
+        }
+    ]
+}
diff --git a/tests/testthat/fixtures/example-equations/api/translate-f741d7-POST.json b/tests/testthat/fixtures/example-equations/api/translate-f741d7-POST.json
deleted file mode 100644
index 70fa605..0000000
--- a/tests/testthat/fixtures/example-equations/api/translate-f741d7-POST.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "translations": [
-        {
-            "detected_source_language": "EN",
-            "text": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE document SYSTEM \"CommonMark.dtd\">\n<document xmlns=\"http://commonmark.org/xml/1.0\">\n  <paragraph>\n   <text xml:space=\"preserve\">Algo de texto.<\/text>\n  <\/paragraph>\n  <paragraph>\n   <text xml:space=\"preserve\">$$<\/text>\n   <softbreak/>\n   <math xml:space=\"preserve\" asis=\"true\">E = m \\times c^2<\/math>\n   <softbreak/>\n   <text xml:space=\"preserve\">$$<\/text>\n  <\/paragraph>\n  <paragraph>\n   <text xml:space=\"preserve\">¿A que es bonita esta ecuación? Observa que <\/text>\n   <math asis=\"true\">$\\alpha=1$<\/math>\n    <text> y <\/text>\n   <math asis=\"true\">$b$<\/math>\n    <text> no está definida.<\/text>\n  <\/paragraph>\n  <paragraph>\n    <text xml:space=\"preserve\"/>\n    <math asis=\"true\">$i_t = j_t$<\/math>\n    <text/>\n  <\/paragraph>\n<\/document>\n"
-        }
-    ]
-}