Merge branch 'master' into report_compile_errors

Author: James Foster

.gitattributes

@@ -1,2 +1,40 @@
+# https://docs.github.com/en/github/using-git/configuring-git-to-handle-line-endings
+# https://git-scm.com/docs/gitattributes
+# https://git-scm.com/docs/git-config 
+# https://adaptivepatchwork.com/2012/03/01/mind-the-end-of-your-line/ 
+
+# Configure this repository to use Git's type detection algorithm to guess 
+# whether a file is text or binary. Text files will have line endings converted 
+# as if you had set 
+#   eol=native
+# That is, on Windows text files will have CRLF line endings in your working
+# directory while on Linux and macOS your text files will have LF line endings
+# in your working directory. In either case, they will have LF line endings in
+# the Git repository itself.
+
 # Set the default behavior, in case people don't have core.autocrlf set.
-* text eol=lf
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout. Git would likely get these right, but
+# we can be sure by adding them here.
+*.ino   text diff=cpp
+*.c     text diff=c
+*.cc    text diff=cpp
+*.cxx   text diff=cpp
+*.cpp   text diff=cpp
+*.c++   text diff=cpp
+*.hpp   text diff=cpp
+*.h     text diff=c
+*.h++   text diff=cpp
+*.hh    text diff=cpp
+
+*.md    text
+*.yaml  text
+*.yml   text
+
+
+# Denote all files that are truly binary and should not be modified.
+# Even if we don't have any of these, they make a good example.
+*.png   binary
+*.jpg   binary

.github/workflows/README.md

@@ -7,4 +7,4 @@ In this project, we define a workflow for each target platform.  **If you're loo
 
 The reason that all platforms are tested in _this_ project is to ensure that, as a framework, `arduino_ci` will run properly on any developer's personal workstation (regardless of OS).
 
-For testing an individual Arduino library in the context of GitHub, [Linux is the cheapest option](https://docs.github.com/en/free-pro-team@latest/github/setting-up-and-managing-billing-and-payments-on-github/about-billing-for-github-actions) and produces results identical to the other OSes.
+For testing an individual Arduino library in the context of GitHub, [Linux is the cheapest option](https://docs.github.com/en/free-pro-team@latest/github/setting-up-and-managing-billing-and-payments-on-github/about-billing-for-github-actions) and should produce results identical to the other OSes.