updated docs

src/docs_src/A_Guide_To_Propeller.md

@@ -174,6 +174,7 @@ then you should call `-main` without arguments, as `(-main).
 - [Adding genetic operators](Adding_Genetic_Operators.md)
 - [Adding selection methods](Adding_Selection_Method.md)
 - [Adding a new problem](Adding_Problem.md)
+- [Generating Documentation](Generating_Documentation.md)
 
 ## Contributing
 
@@ -181,6 +182,9 @@ You can report a bug on the [GitHub issues page](https://github.com/lspector/pro
 
 The best way to contribute to Propeller is to fork the [main GitHub repository](https://github.com/lspector/propeller) and submit a pull request.
 
+Propeller provides a way to automatically [generate documentation](Generating_Documentation.md) for any contributions
+you might make.
+
 ## License
 
 **Eclipse Public License 2.0**

src/docs_src/Adding_Problem.md

@@ -25,7 +25,7 @@ you can fetch datasets using `psb2.core/fetch-examples`.
 
 ```
 2. Define the possible Push instructions to be used to create plushys. It should be a non-lazy list of 
-instructions from `push/instructions`
+instructions from `push/instructions`, input instructions, close, and constants (including functions that produce constants).
 3. Define an error function that will evaluate plushys and add `:behaviors parsed-outputs`, 
    `:errors`, and `:total-error` to the individual
 4. Define the function `-main` with a map of default arguments.

src/docs_src/Generating_Documentation.md

@@ -1,6 +1,6 @@
 # Generating Documentation for Propeller
 
-To generate documentation with [codox](https://github.com/weavejester/codox), run `GenerateDocs.sh` in the command line. 
+To generate documentation with [codox](https://github.com/weavejester/codox), run `scripts/GenerateDocs.sh`in the command line.
 This will run "lein codox" on the command line to generate first batch of HTMl files.
 Then, it runs FunctionsToMD to take Push instructions generated by `def-instruction` and spit it out to a Markdown file.
 Then, it runs HTMLFix to fix the ordered lists in `Adding_Genetic_Operators.md`, `Adding_Problem.md`, and 

src/propeller/problems/PSB2/shopping_list.cljc

@@ -1,9 +1,10 @@
 (ns propeller.problems.PSB2.shopping-list
-  "DICE GAME from PSB2
+  "SHOPPING LIST from PSB2
 
-Peter has an n sided die and Colin has an m
+Given a vector of floats representing
-sided die. If they both roll their dice at the same time, return
+the prices of various shopping goods and another vector of
-the probability that Peter rolls strictly higher than Colin.
+floats representing the percent discount of each of those
+goods, return the total price of the shopping trip after applying the discount to each item.
 
 Source: https://arxiv.org/pdf/2106.06086.pdf"
   {:doc/format :markdown}