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-rw-r--r--mdoc_action.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/mdoc_action.c b/mdoc_action.c
index 4739e0b6..9d2a3420 100644
--- a/mdoc_action.c
+++ b/mdoc_action.c
@@ -382,15 +382,27 @@ post_st(POST_ARGS)
static int
post_at(POST_ARGS)
{
- struct mdoc_node *nn;
- const char *p;
+ struct mdoc_node *nn;
+ const char *p, *q;
+ char *buf;
+ size_t sz;
if (n->child) {
assert(MDOC_TEXT == n->child->type);
p = mdoc_a2att(n->child->string);
- assert(p);
- free(n->child->string);
- n->child->string = mandoc_strdup(p);
+ if (p) {
+ free(n->child->string);
+ n->child->string = mandoc_strdup(p);
+ } else {
+ p = "AT&T UNIX ";
+ q = n->child->string;
+ sz = strlen(p) + strlen(q) + 1;
+ buf = mandoc_malloc(sz);
+ strlcpy(buf, p, sz);
+ strlcat(buf, q, sz);
+ free(n->child->string);
+ n->child->string = buf;
+ }
return(1);
}