Refine forward sim tutes

And include the new "advanced forward sims" tute, previously hidden

Author: hyanwong

_toc.yml

@@ -25,13 +25,14 @@ parts:
   chapters:
   - file: simulation_overview
   - file: no_mutations
-  - file: completing_forward_sims
   - file: advanced_msprime
     sections:
     - file: demography
     - file: bottlenecks
     - file: introgression
+  - file: completing_forward_sims
   - file: forward_sims
+  - file: more_forward_sims
 - caption: Other languages
   # TODO: add basic C and maybe Rust tutes
   chapters:

forward_sims.md

@@ -59,7 +59,7 @@ as rows of the the {ref}`sec_individual_table_definition` (a node can then be as
 individual by storing that individual's id in the appropriate row of the node table).
 
 An *edge* reflects a transmission event between nodes.  An edge is a tuple `(Left, Right, Parent, Child)`
-whose meaning is "Child genome $C$ inherited the genomic interval $[L, R)$ from $Parent genome $P$".
+whose meaning is "The `Child` genome inherited the genomic interval [`Left`, `Right`) from the `Parent` genome".
 In a tree sequence this is stored in a row of the {ref}`sec_edge_table_definition`.
 
 The *time*, in the discrete-time Wright-Fisher (WF) model which we will simulate, is measured in
@@ -90,7 +90,7 @@ import numpy as np
 random_seed = 2
 random = np.random.default_rng(random_seed)  # A random number generator for general use
 
-L = 50_000  # The sequence length = 50 Kb
+L = 50_000  # The sequence length: 50 Kb
 ```
 
 ### Core steps