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diff --git a/libs/luci-lib-httpprotoutils/luasrc/http/conditionals.luadoc b/libs/luci-lib-httpprotoutils/luasrc/http/conditionals.luadoc
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+---[[
+LuCI http protocol implementation - HTTP/1.1 bits.
+
+This class provides basic ETag handling and implements most of the
+conditional HTTP/1.1 headers specified in RFC2616 Sct. 14.24 - 14.28 .
+]]
+module "luci.http.conditionals"
+
+---[[
+Implement 14.19 / ETag.
+
+@class function
+@name mk_etag
+@param stat	A file.stat structure
+@return		String containing the generated tag suitable for ETag headers
+]]
+
+---[[
+14.24 / If-Match
+
+Test whether the given message object contains an "If-Match" header and
+compare it against the given stat object.
+@class function
+@name if_match
+@param req	HTTP request message object
+@param stat	A file.stat object
+@return		Boolean indicating whether the precondition is ok
+@return		Alternative status code if the precondition failed
+]]
+
+---[[
+14.25 / If-Modified-Since
+
+Test whether the given message object contains an "If-Modified-Since" header
+and compare it against the given stat object.
+@class function
+@name if_modified_since
+@param req	HTTP request message object
+@param stat	A file.stat object
+@return		Boolean indicating whether the precondition is ok
+@return		Alternative status code if the precondition failed
+@return		Table containing extra HTTP headers if the precondition failed
+]]
+
+---[[
+14.26 / If-None-Match
+
+Test whether the given message object contains an "If-None-Match" header and
+compare it against the given stat object.
+@class function
+@name if_none_match
+@param req	HTTP request message object
+@param stat	A file.stat object
+@return		Boolean indicating whether the precondition is ok
+@return		Alternative status code if the precondition failed
+@return		Table containing extra HTTP headers if the precondition failed
+]]
+
+---[[
+14.27 / If-Range
+
+The If-Range header is currently not implemented due to the lack of general
+byte range stuff in luci.http.protocol . This function will always return
+false, 412 to indicate a failed precondition.
+@class function
+@name if_range
+@param req	HTTP request message object
+@param stat	A file.stat object
+@return		Boolean indicating whether the precondition is ok
+@return		Alternative status code if the precondition failed
+]]
+
+---[[
+14.28 / If-Unmodified-Since
+
+Test whether the given message object contains an "If-Unmodified-Since"
+header and compare it against the given stat object.
+@class function
+@name if_unmodified_since
+@param req	HTTP request message object
+@param stat	A file.stat object
+@return		Boolean indicating whether the precondition is ok
+@return		Alternative status code if the precondition failed
+]]
+