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-rw-r--r--includes/common.inc4
1 files changed, 4 insertions, 0 deletions
diff --git a/includes/common.inc b/includes/common.inc
index a13756512..bbd3b8f80 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -154,6 +154,8 @@ function drupal_get_headers() {
/**
* Add a feed URL for the current page.
*
+ * This function can be called as long the HTML header hasn't been sent.
+ *
* @param $url
* A url for the feed.
* @param $title
@@ -1635,6 +1637,8 @@ function base_path() {
/**
* Add a <link> tag to the page's HEAD.
+ *
+ * This function can be called as long the HTML header hasn't been sent.
*/
function drupal_add_link($attributes) {
drupal_set_html_head('<link' . drupal_attributes($attributes) . " />\n");