Update MD018/MD019/MD020/MD021 to look specifically for "space" characters (space or tab) instead of RegExp's "\s" characters per CommonMark specification (fixes #367).

2026-02-15 01:48:06 +01:00 · 2021-02-03 22:05:07 -08:00 · 2021-02-03 22:05:07 -08:00 · 5aef3a4a51
commit 5aef3a4a51
parent d2d4b310b9
6 changed files with 50 additions and 8 deletions
--- a/test/headings-with-invalid-spaces.md
+++ b/test/headings-with-invalid-spaces.md
@ -0,0 +1,42 @@
+# Headings with invalid spaces
+
+## Normal space
+
+##  Normal outer non-breaking inner space
+
+## Non-breaking space {MD018}
+
+##	Tab
+
+## Normal space (both) ##
+
+##  Normal outer non-breaking inner space (both)  ##
+
+## Non-breaking space (left) {MD020} ##
+
+##	Tab (left) ##
+
+## Non-breaking space (right) {MD020} ##
+
+## Tab (right)	##
+
+##  Extra normal space {MD019}
+
+##  Extra non-breaking space {MD018}
+
+##		Extra Tab {MD019}
+
+##  Extra Normal space (both) {MD021}  ##
+
+##  Extra non-breaking space (left) {MD020} ##
+
+##		Extra tab (left) {MD021} ##
+
+## Extra non-breaking space (right) {MD020}  ##
+
+## Extra tab (right) {MD021}		##
+
+<!-- markdownlint-configure-file {
+    "heading-style": false,
+    "no-hard-tabs": false
+} -->