Man-page back end for Halibut. Also, a couple of additional markup

features commonly used in man pages: (a) the ability to nest
paragraph breaks, code paragraphs and other lists inside list items,
and (b) description lists as normally used in man pages to describe
command-line options.

[originally from svn r3954]

1 files changed, 7 insertions, 0 deletions

diff --git a/misc.c b/misc.c
index c4ac72f..0de6c2a 100644
--- a/misc.c
+++ b/misc.c
@@ -41,6 +41,13 @@ void *stk_pop(stack s) {
 	return NULL;
 }
 
+void *stk_top(stack s) {
+    if (s->sp > 0)
+	return s->data[s->sp-1];
+    else
+	return NULL;
+}
+
 /*
  * Small routines to amalgamate a string from an input source.
  */