Improved PDF formatting

doc/Jamfile

@@ -11,7 +11,7 @@ import asciidoctor ;
 html index.html : leaf.adoc : <asciidoctor-attribute>stylesheet=zajo-dark.css <asciidoctor-attribute>linkcss ;
 install html_ : index.html LEAF-1.png LEAF-2.png skin.png zajo-dark.css zajo-light.css : <location>out ;
 
-pdf leaf.pdf : leaf.adoc : <asciidoctor-doctype>book ;
+pdf leaf.pdf : leaf.adoc : <asciidoctor-doctype>book  <asciidoctor-attribute>pdf-themesdir=doc <asciidoctor-attribute>pdf-theme=leaf ;
 install pdf_ : leaf.pdf : <location>out ;
 
 alias boostdoc ;

doc/leaf-theme.yml

@@ -0,0 +1,28 @@
+extends: default
+base:
+  font:
+    color: #404040
+literal:
+  font:
+    family: Courier
+    color: #000000
+admonition:
+  icon:
+    note:
+      stroke-color: #000000
+    tip:
+      stroke-color: #000000
+    warning:
+      stroke-color: #FF5100
+    important:
+      stroke-color: #FF5100
+    caution:
+      stroke-color: #FF5100
+conum:
+  font:
+    glyphs: circled
+    color: #000000
+link:
+  text-decoration: underline
+  text-decoration-width: 0.5
+  font-color: #000000

doc/leaf.adoc

@@ -6,8 +6,8 @@
 
 = LEAF
 Lightweight Error Augmentation Framework
-ifndef::backend-pdf[]
 :source-highlighter: coderay
+ifndef::backend-pdf[]
 :toc: left
 :toclevels: 3
 :toc-title: pass:[<div style="float:right"><input width="32" height="32" type="image" alt="Skin" src="./skin.png" onclick="this.blur();switch_style();return false;"/></div>]