Harmonise doctype declaration to <!DOCTYPE html>

patrickhlauke · patrickhlauke · commit b892dffa1506 · 2026-03-16T19:50:02.000Z
diff --git a/working-examples/aria-alert-identify-errors/index.html b/working-examples/aria-alert-identify-errors/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
 <meta charset="UTF-8">
diff --git a/working-examples/aria-alertdialog-identify-errors/index.html b/working-examples/aria-alertdialog-identify-errors/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
 <meta charset="UTF-8">
diff --git a/working-examples/aria-invalid-required-fields/index.html b/working-examples/aria-invalid-required-fields/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE HTML>
+<!DOCTYPE html>
 <html lang="en">
  <head> <title>Input Error Notification with aria-live=assertive and aria-invalid using jQuery | WCAG 2</title> 
 <meta charset="UTF-8">
diff --git a/working-examples/aria-progressbar-status-message/index.html b/working-examples/aria-progressbar-status-message/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="utf-8" />
diff --git a/working-examples/breadcrumb-trail/index.html b/working-examples/breadcrumb-trail/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="UTF-8">
diff --git a/working-examples/colour-picker/index.php b/working-examples/colour-picker/index.php
@@ -31,7 +31,7 @@
 	setcookie("backcolour", $strBackcolour, time() + (3600 * 24 * 365), "/");
 	setcookie("forecolour", $strForecolour, time() + (3600 * 24 * 365), "/");
 }
-?><!DOCTYPE HTML> 
+?><!DOCTYPE html> 
 <html lang="en">
 <head>
 	<title>Colour Picker</title>
diff --git a/working-examples/colour-picker/persist.php b/working-examples/colour-picker/persist.php
@@ -1,4 +1,4 @@
-<!DOCTYPE HTML> 
+<!DOCTYPE html> 
 <html lang="en">
 <head>
 	<title>Colour picker persistence</title>
diff --git a/working-examples/css-padding-focus-not-obscured/index.html b/working-examples/css-padding-focus-not-obscured/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
   <meta charset="UTF-8">
diff --git a/working-examples/css-text-spacing/index.html b/working-examples/css-text-spacing/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
 	<meta charset="UTF-8">
diff --git a/working-examples/script-form-validation-2/index.php b/working-examples/script-form-validation-2/index.php
@@ -68,7 +68,7 @@
 			$strError = "<h2>$iErrorCount Errors in Submission</h2>\n" . $strError;
 	}
 ?>
-<!DOCTYPE HTML>
+<!DOCTYPE html>
 <html lang="en">
 <head>
 	<meta charset="utf-8">
diff --git a/working-examples/script-form-validation/index.html b/working-examples/script-form-validation/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE HTML>
+<!DOCTYPE html>
 <html lang="en">
 <head>
 	<meta charset="UTF-8">
diff --git a/working-examples/script-scroll-text-expand/index.html b/working-examples/script-scroll-text-expand/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="UTF-8">
diff --git a/working-examples/script-toggle-aria-alerts/index.html b/working-examples/script-toggle-aria-alerts/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
 <meta charset="UTF-8">
diff --git a/working-examples/semantic-text/index.html b/working-examples/semantic-text/index.html
@@ -1,4 +1,4 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
 <head>
   <title>Semantic Text Markup Example | WCAG 2</title>

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-<!doctype html>`
	`1`	`+<!DOCTYPE html>`
`2`	`2`	`<html lang="en">`
`3`	`3`	`<head>`
`4`	`4`	`<meta charset="UTF-8">`
Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@`
`31`	`31`	`setcookie("backcolour", $strBackcolour, time() + (3600 * 24 * 365), "/");`
`32`	`32`	`setcookie("forecolour", $strForecolour, time() + (3600 * 24 * 365), "/");`
`33`	`33`	`}`
`34`		`-?><!DOCTYPE HTML>`
	`34`	`+?><!DOCTYPE html>`
`35`	`35`	`<html lang="en">`
`36`	`36`	`<head>`
`37`	`37`	`<title>Colour Picker</title>`
Original file line number	Diff line number	Diff line change
`@@ -68,7 +68,7 @@`
`68`	`68`	`$strError = "<h2>$iErrorCount Errors in Submission</h2>\n" . $strError;`
`69`	`69`	`}`
`70`	`70`	`?>`
`71`		`-<!DOCTYPE HTML>`
	`71`	`+<!DOCTYPE html>`
`72`	`72`	`<html lang="en">`
`73`	`73`	`<head>`
`74`	`74`	`<meta charset="utf-8">`