diff --git a/examples/debconf/patches/dc18.patch b/examples/debconf/patches/dc18.patch
index 42c5a77b9..34298adab 100644
--- a/examples/debconf/patches/dc18.patch
+++ b/examples/debconf/patches/dc18.patch
@@ -1,9 +1,19 @@
 diff --git a/budget/commodities.inc b/budget/commodities.inc
-index 8a644c7..ab13ae7 100644
+index 8a644c7..675d1c1 100644
 --- a/budget/commodities.inc
 +++ b/budget/commodities.inc
-@@ -23,3 +23,3 @@ commodity TWD
+@@ -17,2 +17,6 @@ commodity CHF
+ 
++commodity CNY
++   note Chinese yuan
++   format CNY 1,000.00
++
+ commodity MXN
+@@ -23,3 +27,3 @@ commodity TWD
     note Taiwan New Dollar
 -   format TWD 1,000
 +   format TWD 1,000.00
     default
+diff --git a/budget/forex.db b/budget/forex.db
+new file mode 100644
+index 0000000..e69de29
diff --git a/examples/debconf/patches/dc19.patch b/examples/debconf/patches/dc19.patch
index e69de29bb..3e722aab4 100644
--- a/examples/debconf/patches/dc19.patch
+++ b/examples/debconf/patches/dc19.patch
@@ -0,0 +1,17 @@
+diff --git a/budget/commodities.inc b/budget/commodities.inc
+index a7738bb..ee32731 100644
+--- a/budget/commodities.inc
++++ b/budget/commodities.inc
+@@ -20 +20,12 @@ commodity BRL
+    default
++
++commodity GBP
++   note British pound
++   format GBP 1,000.00
++   nomarket
++
++commodity ZAR
++   note South African rand
++   format ZAR 1,000.00
++   nomarket
++
diff --git a/examples/debconf/patches/dc22.patch b/examples/debconf/patches/dc22.patch
index 6a91a4015..779b845b5 100644
--- a/examples/debconf/patches/dc22.patch
+++ b/examples/debconf/patches/dc22.patch
@@ -1,3 +1,14 @@
+diff --git a/budget/commodities.inc b/budget/commodities.inc
+index 023894b..41dbcce 100644
+--- a/budget/commodities.inc
++++ b/budget/commodities.inc
+@@ -14 +14,6 @@ commodity CHF
+    nomarket
++
++commodity CNY
++   note Chinese yuan
++   format CNY 1,000.00
++   nomarket
 diff --git a/budget/expenses.ledger b/budget/expenses.ledger
 index dc887c6..90cb494 100644
 --- a/budget/expenses.ledger