Fix up documentation a bit.

diff --git a/h/fmt_scan.h b/h/fmt_scan.h
index 7e21479..466a9b5 100644 (file)
--- a/h/fmt_scan.h
+++ b/h/fmt_scan.h
@@ -194,7 +194,8 @@ struct comp *fmt_findcomp(char *component);
  *
  * This function is designed to be called when you start processing a new
  * component.  The function returns the integer value of the hash table
- * bucket corresponding to this component.
+ * bucket corresponding to this component.  If there was no entry found
+ * in the component hash table, this function will return -1.
  */
 
 int fmt_addcomp(char *component, char *text);
@@ -203,7 +204,8 @@ int fmt_addcomp(char *component, char *text);
  * Append to an existing component.  Arguments are:
  *
  * bucket      - The hash table bucket corresponding to this component,
- *               as returned by fmt_addcomp().
+ *               as returned by fmt_addcomp().  If -1, this function will
+ *               return with no actions performed.
  * component   - The component to append text to.  Like fmt_addcomp, the
  *               component is searched case-INSENSITIVELY.
  * text                - The text to append to the component.  No special processing