Checking for attribute existence suffices here.

Commit
7fab600dedd48cb0f0712da56b942724ea6de2b5
Author
Marius Peter <marius.peter@tutanota.com>
Author date
Committer
Marius Peter <marius.peter@tutanota.com>
Committer date
src/MyFitnessTracker/MFTWorkout.class.st
index 5cd91cdb..c964ec17 100644..100644
@@ -168,11 +168,11 @@
168 168 html
169 169 definitionTerm: 'Date';
170 170 definitionData: date.
171 Removed: self primaryMuscleGroup ifNotNil: [
171 Added: primaryMuscleGroupId ifNotNil: [
172 172 html
173 173 definitionTerm: 'Primary Muscle Group';
174 174 definitionData: self primaryMuscleGroup englishName ].
175 Removed: self secondaryMuscleGroups ifNotEmpty: [
175 Added: secondaryMuscleGroupIds ifNotEmpty: [
176 176 html
177 177 definitionTerm: 'Secondary Muscle Group';
178 178 definitionData: