diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..9e6a5eb
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,22 @@
+root = true
+
+[*.{c,h,l,y,pl,pm}]
+indent_style = tab
+indent_size = tab
+tab_width = 4
+
+[*.{sgml,xml}]
+indent_style = space
+indent_size = 1
+
+[*.xsl]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab
+indent_size = 4
+