This is a newish standard text editor configuration file. Good idea!

src/.editorconfig

+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[**.{c,cpp,h}]
+indent_style = tab
+indent_size = 4
+trim_trailing_whitespace = true
+
+# Tab indentation (no size specified)
+[{GNUmakefile, Makefile}]
+indent_style = tab
+
+