[DOC-CVS] [doc-base] standalone-mode: Don't define LANG in standalone mode

Author: Jordi Kroon (jordikroon)
Date: 2026-08-04T20:04:17+02:00

Commit: https://github.com/php/doc-base/commit/79ce0ed8511eee6cdc9a8e039945c5a2464ec893
Raw diff: https://github.com/php/doc-base/commit/79ce0ed8511eee6cdc9a8e039945c5a2464ec893.diff

Don't define LANG in standalone mode

Changed paths:
  M  configure.php


Diff:

diff --git a/configure.php b/configure.php
index ba848eac7a..407450a679 100755
--- a/configure.php
+++ b/configure.php
@@ -652,7 +652,13 @@ function dtd_pe_body( string $filename = '' )
         $chmpath = dtd_pe_body();
 
     $conf = [];
-    $conf[] = "<!ENTITY LANG '$lang'>";
+
+    // Standalone trees are not named after a language, so they must
+    // declare xml:lang themselves. Not defining &LANG; makes any
+    // accidental use of it fail.
+    if ( $ac['STANDALONE'] != 'yes' )
+        $conf[] = "<!ENTITY LANG '$lang'>";
+
     $conf[] = "<!ENTITY manual.chmonly           $chmpath>";
 
     $conf[] = "<!ENTITY % base-entities          $baseEnt1>";