%META:TOPICINFO{author="ProjectContributor" date="1434650530" format="1.1" version="1"}%
%META:TOPICPARENT{name="Macros"}%
---+ LOGIN -- present a full login link
%IF{"context authenticated"
  then="<div class='foswikiHelp'>$percentT$percent
    You are already authenticated, so =%<nop>LOGIN%= expands to an empty string</div>
"}%
---++ Examples
   * =%<nop>LOGIN%= expands to %LOGIN%
%STOPINCLUDE%
---++ Related
 UserAuthentication, [[VarSESSIONID][SESSIONID]], [[VarSESSIONVAR][SESSIONVAR]], [[VarLOGOUT][LOGOUT]], [[VarSESSIONVARIABLE][SESSION_VARIABLE]]
