# HG changeset patch
# User wenzelm
# Date 1661435897 -7200
# Node ID 0548beacff68ecda54f7891aec162514928c22ed
# Parent  5a782ca6872b4610dca731fa7bf7dcd07d932b6f
tuned: avoid premature File.read;

diff -r 5a782ca6872b -r 0548beacff68 src/Pure/Thy/browser_info.scala
--- a/src/Pure/Thy/browser_info.scala	Thu Aug 25 15:52:42 2022 +0200
+++ b/src/Pure/Thy/browser_info.scala	Thu Aug 25 15:58:17 2022 +0200
@@ -216,7 +216,7 @@
 
     /* preview PIDE document */
 
-    val isabelle_css: String = File.read(HTML.isabelle_css)
+    lazy val isabelle_css: String = File.read(HTML.isabelle_css)
 
     def html_document(title: String, body: XML.Body, fonts_css: String): HTML_Document = {
       val content =