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diff --git a/handbook/l/trogclass-1.html b/handbook/l/trogclass-1.html
index c347d22b3..cb38b1965 100644
--- a/handbook/l/trogclass-1.html
+++ b/handbook/l/trogclass-1.html
@@ -5,7 +5,8 @@
CUCC Expo Handbook: Troggle UML Class Diagrams
-
+
+
CUCC Expo Handbook - Troggle UML Class Diagrams
Troggle UML Class Diagrams
@@ -67,18 +68,24 @@ Or there is a
-// Troggle Class Diagram (update 2023-01-30)
-// -----------------------------------------
+// Troggle Class Diagram
+// ---------------------
+
+// 2025-02-06 Philip Sargent
// Chain elements like this
[SVX file{bg:lightblue}]<>-wallet 1..*>[Wallet{bg:red}]++-1..*>[Scanned Note]
[Wallet]++-1..*>[Scanned CentreLine]
+[Wallet]++-0..*>[Electronic data]
[Scanned CentreLine]++-1..*>[Drawing{bg:turquoise}]
[People{bg:wheat}]<->[LogBook Entry{bg:violet}]
-[People]1..3<->[SVX file]
+[People{bg:wheat}]0..1<->0..1[Users{bg:cyan}]
+
+[Users]1<->0..1[Signups{bg:red}]
+[Signups]<->[PersonExpedition{bg:yellowgreen}]
[Cave{bg:cyan}]->[LogBook Entry]
@@ -87,6 +94,9 @@ You can edit your own version to revise this when it becomes outdated.
This
// note:
[Cave]-.-[Drawing{bg:turquoise}]
+
+[Cave]-.-[Wallet]
+
[Expedition{bg:green}]1<>-1..*[LogBook Entry]
[SurvexBlock{bg:lightblue}]1<>-1..*[SVX file]
@@ -161,6 +171,5 @@ Go to
Sequence diagram for a new survey wallet
Go to
Activity diagram for a new survey wallet
-
-
+