d updated markdown snippets

Author: actions-user

approvaltests-util/docs/how_to/PerformanceProfilingWithSimpleLogger.md

@@ -2,7 +2,10 @@
 
 # How to do Performance Profiling using SimpleLogger
 
-toc
+<!-- toc -->
+## Contents
+
+  * [Understanding timings in log output](#understanding-timings-in-log-output)<!-- endToc -->
 
 ## Understanding timings in log output
 When SimpleLogger logs to a file or Standard.out it includes timings (these are turned off by default if you are logging
@@ -16,4 +19,4 @@ Here's an example of the output:
 [May 20, 2021, 9:44:17 PM ~000000ms]    <= Sample.innerMethod() - OUT
 ```
 The important part here is `~000047ms` which represents the number of milliseconds that have passed since the previous line SimpleLogger 
- logged. This allows an easy way to detect bottlenecks by adding log statements and test improvements.
+ logged. This allows an easy way to detect bottlenecks by adding log statements and test improvements.

approvaltests-util/docs/reference/SimpleLogger.md

@@ -6,6 +6,9 @@
 ## Contents
 
   * [How SimpleLogger works](#how-simplelogger-works)
+    * [Differences vs. System.out](#differences-vs-systemout)
+    * [Differences vs. Log4J](#differences-vs-log4j)
+    * [Logging method calls](#logging-method-calls)
   * [HowTos](#howtos)
   * [SimpleLogger.logToNothing()](#simpleloggerlogtonothing)<!-- endToc -->
 
@@ -123,5 +126,5 @@ if you want to turn them all off just run
 ```java
 SimpleLogger.logToNothing();
 ```
-<sup><a href='/approvaltests-util-tests/src/test/java/com/spun/util/logger/SimpleLoggerTest.java#L41-L43' title='Snippet source file'>snippet source</a> | <a href='#snippet-log_nothing' title='Start of snippet'>anchor</a></sup>
+<sup><a href='/approvaltests-util-tests/src/test/java/com/spun/util/logger/SimpleLoggerTest.java#L52-L54' title='Snippet source file'>snippet source</a> | <a href='#snippet-log_nothing' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->