aboutsummaryrefslogtreecommitdiff
path: root/doc/user/src/bib4.skb
diff options
context:
space:
mode:
Diffstat (limited to 'doc/user/src/bib4.skb')
-rw-r--r--doc/user/src/bib4.skb5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/user/src/bib4.skb b/doc/user/src/bib4.skb
new file mode 100644
index 0000000..81ba5df
--- /dev/null
+++ b/doc/user/src/bib4.skb
@@ -0,0 +1,5 @@
+(center
+ (frame :border 1 :margin 2 :width 90.
+ (the-bibliography :pred (lambda (m n)
+ (and (eq? (markup-option m 'kind) 'book)
+ (pair? (markup-option m 'used)))))))