sync doc

doc/hackney_util.md

@@ -10,7 +10,7 @@
 ## Function Index ##
 
 
-<table width="100%" border="1" cellspacing="0" cellpadding="2" summary="function index"><tr><td valign="top"><a href="#char_to_lower-1">char_to_lower/1</a></td><td>Convert [A-Z] characters to lowercase.</td></tr><tr><td valign="top"><a href="#char_to_upper-1">char_to_upper/1</a></td><td>Convert [a-z] characters to uppercase.</td></tr><tr><td valign="top"><a href="#content_type-1">content_type/1</a></td><td></td></tr><tr><td valign="top"><a href="#is_ipv6-1">is_ipv6/1</a></td><td></td></tr><tr><td valign="top"><a href="#join-2">join/2</a></td><td></td></tr><tr><td valign="top"><a href="#require-1">require/1</a></td><td>Start the given applications if they were not already started.</td></tr><tr><td valign="top"><a href="#to_binary-1">to_binary/1</a></td><td></td></tr><tr><td valign="top"><a href="#to_hex-1">to_hex/1</a></td><td></td></tr><tr><td valign="top"><a href="#to_lower-1">to_lower/1</a></td><td>Convert a binary string to lowercase.</td></tr><tr><td valign="top"><a href="#to_upper-1">to_upper/1</a></td><td></td></tr><tr><td valign="top"><a href="#token-2">token/2</a></td><td>Parse a token.</td></tr><tr><td valign="top"><a href="#token_ci-2">token_ci/2</a></td><td>Parse a case-insensitive token.</td></tr></table>
+<table width="100%" border="1" cellspacing="0" cellpadding="2" summary="function index"><tr><td valign="top"><a href="#char_to_lower-1">char_to_lower/1</a></td><td>Convert [A-Z] characters to lowercase.</td></tr><tr><td valign="top"><a href="#char_to_upper-1">char_to_upper/1</a></td><td>Convert [a-z] characters to uppercase.</td></tr><tr><td valign="top"><a href="#content_type-1">content_type/1</a></td><td></td></tr><tr><td valign="top"><a href="#is_ipv6-1">is_ipv6/1</a></td><td></td></tr><tr><td valign="top"><a href="#join-2">join/2</a></td><td></td></tr><tr><td valign="top"><a href="#maybe_apply_defaults-2">maybe_apply_defaults/2</a></td><td></td></tr><tr><td valign="top"><a href="#require-1">require/1</a></td><td>Start the given applications if they were not already started.</td></tr><tr><td valign="top"><a href="#to_binary-1">to_binary/1</a></td><td></td></tr><tr><td valign="top"><a href="#to_hex-1">to_hex/1</a></td><td></td></tr><tr><td valign="top"><a href="#to_lower-1">to_lower/1</a></td><td>Convert a binary string to lowercase.</td></tr><tr><td valign="top"><a href="#to_upper-1">to_upper/1</a></td><td></td></tr><tr><td valign="top"><a href="#token-2">token/2</a></td><td>Parse a token.</td></tr><tr><td valign="top"><a href="#token_ci-2">token_ci/2</a></td><td>Parse a case-insensitive token.</td></tr></table>
 
 
 <a name="functions"></a>
@@ -64,6 +64,13 @@ Convert [a-z] characters to uppercase.
 `join(L, Separator) -> any()`
 
 
+<a name="maybe_apply_defaults-2"></a>
+
+### maybe_apply_defaults/2 ###
+
+`maybe_apply_defaults(Rest, Options) -> any()`
+
+
 <a name="require-1"></a>
 
 ### require/1 ###