What does % mean??

    I have a line in the program that looks like this:

    PROC AutoCtrl()
    ! Preparations for autocycle
    StartUp;
    WHILE bRobotHome DO
    ! Preparation for new cycle
    DataCtrl;
    ! Turn the table
    IF TURN_TABLE IndexTable;
    ! Read the code
    ReadCode;
    ! Check the program
    CodeCtrl;
    ! Select routine
    %"SelCutRtn"%;
    bRobotHome:=HomeCheck(doHome,diHomeSwitch,doSafeZone);
    ENDWHILE
    ErrWrite "Automatic cycle stopped.","Robot NOT in homeposition."\RL2:="Check:"\RL3:="DOutput 'doHome' or 'doSafeZone' or"\RL4:="DInput 'diHomeSwitch'.";
    PulseDO\High\PLength:=0.5,doMessageOP;
    EXIT;
    ENDPROC

    Viewing it in Robotstudio it is shown in orange. I am thinking that it is calling a specific module based on the group of inputs. What is the purpose of the %% before and after?

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