diff --git a/test-data/tty-test.txt b/test-data/tty-test.txt
new file mode 100644
index 000000000..1eda798bf
--- /dev/null
+++ b/test-data/tty-test.txt
@@ -0,0 +1,69 @@
+ 000  001  002  003  004  005  006  007  008  009  010  011  012  013  014  015 
+ 008  009  010  011  012  013  014  015  000  001  002  003  004  005  006  007 
+
+ 000  001  002  003  004  005  006  007  008  009  010  011  012  013  014  015 
+ 008  009  010  011  012  013  014  015  000  001  002  003  004  005  006  007 
+
+
+ 231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231  231 
+ 224  224  224  224  224  230  194  194  194  194  194  194  194  194  194  195  189  189  189  189  189  189  189  189  189  225  224  224  224  224 
+ 217  217  217  217  223  229  193  157  157  157  157  157  157  157  158  159  153  147  147  147  147  147  147  147  183  219  218  217  217  217 
+ 210  210  210  216  222  228  192  156  120  120  120  120  120  121  122  123  117  111  105  105  105  105  105  141  177  213  212  211  210  210 
+ 203  203  209  215  221  227  191  155  119  083  083  083  084  085  086  087  081  075  069  063  063  063  099  135  171  207  206  205  204  203 
+ 196  202  208  214  220  226  190  154  118  082  046  047  048  049  050  051  045  039  033  027  021  057  093  129  165  201  200  199  198  197 
+ 160  166  172  178  184  184  184  148  112  076  040  041  042  043  044  044  044  038  032  026  020  056  092  128  164  164  164  163  162  161 
+ 124  130  136  142  142  142  142  142  106  070  034  035  036  037  037  037  037  037  031  025  019  055  091  127  127  127  127  127  126  125 
+ 088  094  100  100  100  100  100  100  100  064  028  029  030  030  030  030  030  030  030  024  018  054  090  090  090  090  090  090  090  089 
+ 052  058  058  058  058  058  058  058  058  058  022  023  023  023  023  023  023  023  023  023  017  053  053  053  053  053  053  053  053  053 
+ 016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016  016 
+
+
+ 232  233  234  235  236  237  238  239  240  241  242  243 
+ 244  245  246  247  248  249  250  251  252  253  254  255 
+
+   DEBUG      debug text -- color is BRI BLK
+   INFO       info text -- color is BLU
+   NOTICE     notice text -- color is GRN
+   WARNING    warning text -- color is 130
+   ERROR      error text -- color is 52
+ 🔥  CRITICAL  critical text -- color is 124
+ 🚨  ALERT     alert text -- color is BRI MAG
+ 💅  EMERGENCY emergency text -- color is 196
+
+ JSON      json text follows...
+
+
+ This is Bold text (BLD).
+ This is Italic text (ITA).
+ This is Underline text (UND).
+ This is Bold, Italic, and Underline text (BLD ITA UND).
+ This is Double Underline text (UN2).
+ This is [4:0mNo     Underline via Smulx text (SMULX:0).
+ This is [4:1mNormal Underline via Smulx text (SMULX:1).
+ This is [4:2mDouble Underline via Smulx text (SMULX:2).
+ This is [4:3mCurly  Underline via Smulx text (SMULX:3).
+ This is [4:4mDotted Underline via Smulx text (SMULX:4).
+ This is [4:5mDashed Underline via Smulx text (SMULX:5).
+ This is [93;58:5:124;4:3mCurly redish ul with yellow text (BRI YEL SETAL:124 SMULX:3).
+ This is [58:5:124;4:3mRed curly underline text (SETAL:124 SMULX:3).
+ This is [4;58:2:64:148:78;38;5;123mGreenish underline with cyan text (UND SETAL:64:148:78 123).
+ This is Purple text in bold and italic text (bold sitm rgb:163;100;196).
+ This is Orange text on dark orange text (FG rgb:#e3b10e BG rgb:56;52;40).
+ This is Dim / Faint text (DIM).
+ This is Blink normal text (BLINK).
+ This is Blink fast text (BLINKFAST).
+ This is Inverse text (INV).
+ This is Invisible or hidden text (HID).
+ This is Strikeout text (STR).
+
+ This is Overline text (OVR).
+
+ This is Overline and Underline text (OVR UND).
+
+ This is Superscript text (SUP).
+ This is Bold Superscript text (BLD SUP).
+ This is Subscript text (SUB).
+ This is Bold Subscript text (BLD SUB).
+ This is Ptmux;Bold Subscript textPtmux; (BLD SUB).
+
+