diff --git a/.editorconfig b/.editorconfig
index c352657e..60ba5b95 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -15,6 +15,9 @@ charset = utf-8
 # Accessibility reasons. Vim: :%retab! (note also :set ts=4)
 indent_style = tab
 indent_size = tab
+# Usable in common Braille displays? Line continuation marker and diffing
+# take two. Prettier default 80. WCAG requirement 80.
+max_line_length = 78
 # Opinionated affecting only display, better to not set
 #tab_width =
 
@@ -68,6 +71,10 @@ indent_size = tab
 # empty last columns/fields
 trim_trailing_whitespace = false
 
+# RFC 678
+#[*.txt]
+#max_line_length = 72
+
 # Windows line-endings for Windows
 [*.{reg,bat,ahk}]
 # Remember the .gitattributes !