clarification/fixes around the replace() function

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1891990 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 3 insertions, 2 deletions

diff --git a/include/ap_expr.h b/include/ap_expr.h
index 3e1eea0be2..8923de7db7 100644
--- a/include/ap_expr.h
+++ b/include/ap_expr.h
@@ -287,8 +287,9 @@ typedef struct {
 
     /** arg for pre-parsing (only if a simple string).
      *  For binary ops, this is the right argument.
-     *  For functions with more arguments, this is the first string
-     *  argument. */
+     *  For AP_EXPR_FUNC_STRING functions with multiple arguments, this is the first 
+     *  simple/literal string argument. 
+     */
     const char *arg;
 } ap_expr_lookup_parms;