minor edits correcting layout bugs and reducing duplicates

lectures/user-experience/slides.qmd

@@ -34,8 +34,7 @@ author: "Theresa Mieslinger and Florian Ziemen"
 * you! your peers, reviewers of a paper, or other scientists in the future
 * unknown users:
     * make a survey
-    * create Personas
-* utility: a user actually wants to have a product
+    * create Personas (hypothetical person)
 :::
 
 # Visual design
@@ -302,6 +301,7 @@ t_hamburg = ds.tas.sel(...
 # Specific guidlines in Earth System Informatics
 ## Standards
 Standards are commonly known, they help guiding intuition, and also help implementors.
+
 * [POSIX](https://en.wikipedia.org/wiki/POSIX) (and GNU)
 * [UNIX return codes](https://stackoverflow.com/questions/1101957/are-there-any-standard-exit-status-codes-in-linux) (e.g. 0 - no error, everything else - error)
 * [CF conventions](https://cfconventions.org/)
@@ -470,11 +470,13 @@ Take safe_copy.py and add useful error messages and return codes.
 # Take-home: take a user's perspective! {.special}
 
 * use standards
-* be consistent in your style
-* be intuitive in your style
-* *don't lie* :)
-    * don't return a result if an error occured
-    * don't change user input within the code without communicating the change
+* be consistent and intuitive in your style
+* "Don't lie" :)
+
+:::{.notes}
+* don't return a result if an error occured
+* don't change user input within the code without communicating the change
+:::
 
 # Further reading
 * Edward Tufte: *Beautiful Evidence* (and other books)