ID 386500 - Obtaining a Text Knob value with TCL returns nothing

set cut_paste_input [stack 0]
version 11.3 v2
push $cut_paste_input
Text2 {
 font_size_toolbar 100
 font_width_toolbar 100
 font_height_toolbar 100
 message "TCL TextInput knob: \[value TextInputKnob]\nTCL Text knob: \[value TextKnob]\n\nPython TextInput knob: \[python \{nuke.thisNode().knob('TextInputKnob').value()\}]\nPython Text knob: \[python \{nuke.thisNode().knob('TextKnob').value()\}]"
 old_message {{84 67 76 32 84 101 120 116 73 110 112 117 116 32 107 110 111 98 58 32 84 101 120 116 73 110 112 117 116 32 75 110 111 98 32 118 97 108 117 101 10 84 67 76 32 84 101 120 116 32 107 110 111 98 58 32 10 10 80 121 116 104 111 110 32 84 101 120 116 73 110 112 117 116 32 107 110 111 98 58 32 84 101 120 116 73 110 112 117 116 32 75 110 111 98 32 118 97 108 117 101 10 80 121 116 104 111 110 32 84 101 120 116 32 107 110 111 98 58 32 84 101 120 116 32 75 110 111 98 32 118 97 108 117 101}
   }
 old_expression_markers {{20 39 56 55 81 100 120 134}
   }
 box {50 719.5 1898 1080.5}
 transforms {{0 2}
   }
 cursor_position 57
 global_font_scale 0.9
 center {960 540}
 cursor_initialised true
 initial_cursor_position {{50 1080.5}
   }
 group_animations {{0} imported: 0 selected: items: "root transform/"}
 animation_layers {{1 11 960 540 0 0 1 1 0 0 0 0}
   }
 name Text1
 selected true
 xpos 42
 ypos -120
 addUserKnob {20 User}
 addUserKnob {1 TextInputKnob l "" +STARTLINE}
 TextInputKnob "TextInput Knob value"
 addUserKnob {26 ""}
 addUserKnob {26 TextKnob l "" +STARTLINE T "Text Knob value"}
 addUserKnob {26 "" +STARTLINE}
 addUserKnob {32 tcl_button l "set TCL TextKnob" T "\[knob TCLValue \[value TextKnob] ; return]" +STARTLINE}
 addUserKnob {32 tcl_button1 l "set TCL TextInputKnob" -STARTLINE T "\[knob TCLValue \[value TextInputKnob] ; return]"}
 addUserKnob {1 TCLValue l "TCL Value:"}
}