2 files changed, 36 insertions, 6 deletions

diff --git a/org/out_metadata.org b/org/out_metadata.org
index 31cc9a9..289b702 100644
--- a/org/out_metadata.org
+++ b/org/out_metadata.org
@@ -48,11 +48,13 @@ template outputMetadata() {
 #+NAME: output_imports
 #+BEGIN_SRC d
 import
+  std.digest.crc,
+  std.digest.sha,
   std.file,
   std.format;
 import sisudoc.io_out;
 mixin InternalMarkup;
-string[] metadata_;
+char[] metadata_;
 #+END_SRC
 
 ** metadata
@@ -171,6 +173,19 @@ if ((doc_matters.opt.action.html_link_pdf) || (doc_matters.opt.action.html_link_
              ~ "&nbsp;□&nbsp;pdf&nbsp;(U.S.&nbsp;letter)&nbsp;</a>]&nbsp";
 }
 metadata_ ~=  "</p>";
+metadata_ ~= "<hr /><p class=\"lev0\">Digests:</p>";
+metadata_ ~= "<p class=\"lev1\"><tt>"
+  ~ doc_matters.doc_digest.markup_doc.toHexString
+  ~ "</tt> - src doc digest"
+  ~ "</p>"
+  ~ "<p class=\"lev1\"><tt>"
+  ~ doc_matters.doc_digest.header.toHexString
+  ~ "</tt> - doc header"
+  ~ "</p>"
+  ~ "<p class=\"lev1\"><tt>"
+  ~ doc_matters.doc_digest.text.toHexString
+  ~ "</tt> - doc text"
+  ~ "</p>";
 if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) {
   metadata_ ~= "<hr /><p class=\"lev0\">Topics:</p>";
   string[] _top = ["", "", "", "", ""];
@@ -275,7 +290,7 @@ metadata_write_output(doc_matters, metadata_);
 
 #+NAME: output_metadata_write
 #+BEGIN_SRC d
-void metadata_write_output(M)(M doc_matters, string[] metadata_) {
+void metadata_write_output(M)(M doc_matters, char[] metadata_) {
   auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
   try {
     if (!exists(pth_html.base)) {
@@ -284,7 +299,7 @@ void metadata_write_output(M)(M doc_matters, string[] metadata_) {
     {
       auto f = File(pth_html.fn_scroll("metadata." ~ doc_matters.src.filename), "w");
       foreach (o; metadata_) {
-        f.writeln(o);
+        f.write(o);
       }
     }
     if (!exists(pth_html.base ~ "/index.html")) {
diff --git a/src/sisudoc/io_out/metadata.d b/src/sisudoc/io_out/metadata.d
index 0210212..59329e7 100644
--- a/src/sisudoc/io_out/metadata.d
+++ b/src/sisudoc/io_out/metadata.d
@@ -110,11 +110,13 @@ template outputMetadata() {
       return o;
     }
     import
+      std.digest.crc,
+      std.digest.sha,
       std.file,
       std.format;
     import sisudoc.io_out;
     mixin InternalMarkup;
-    string[] metadata_;
+    char[] metadata_;
 string theme_dark_0 = format(q"┃
   body {
     color                    : #CCCCCC;
@@ -364,7 +366,7 @@ string theme_light_1 = format(q"┃
   doc_matters.opt.action.css_theme_default ? theme_light_0 : theme_dark_0,
   doc_matters.opt.action.css_theme_default ? theme_light_1 : theme_dark_1,
 ) ~ "\n";
-    void metadata_write_output(M)(M doc_matters, string[] metadata_) {
+    void metadata_write_output(M)(M doc_matters, char[] metadata_) {
       auto pth_html = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
       try {
         if (!exists(pth_html.base)) {
@@ -373,7 +375,7 @@ string theme_light_1 = format(q"┃
         {
           auto f = File(pth_html.fn_scroll("metadata." ~ doc_matters.src.filename), "w");
           foreach (o; metadata_) {
-            f.writeln(o);
+            f.write(o);
           }
         }
         if (!exists(pth_html.base ~ "/index.html")) {
@@ -507,6 +509,19 @@ string theme_light_1 = format(q"┃
                  ~ "&nbsp;□&nbsp;pdf&nbsp;(U.S.&nbsp;letter)&nbsp;</a>]&nbsp";
     }
     metadata_ ~=  "</p>";
+    metadata_ ~= "<hr /><p class=\"lev0\">Digests:</p>";
+    metadata_ ~= "<p class=\"lev1\"><tt>"
+      ~ doc_matters.doc_digest.markup_doc.toHexString
+      ~ "</tt> - src doc digest"
+      ~ "</p>"
+      ~ "<p class=\"lev1\"><tt>"
+      ~ doc_matters.doc_digest.header.toHexString
+      ~ "</tt> - doc header"
+      ~ "</p>"
+      ~ "<p class=\"lev1\"><tt>"
+      ~ doc_matters.doc_digest.text.toHexString
+      ~ "</tt> - doc text"
+      ~ "</p>";
     if (doc_matters.conf_make_meta.meta.classify_topic_register_arr.length > 0) {
       metadata_ ~= "<hr /><p class=\"lev0\">Topics:</p>";
       string[] _top = ["", "", "", "", ""];