« first day (522 days earlier)      last day (55 days later) » 

17:44
At some point Pyth stopped working outside of the test harness.
https://tio.run/##zTprj@PWdZ/D9EdckeOVKIoSSYkSJT40z/XuZseazM52NpU0HEqiNNqRRI1I7VCr0cJ2CtdugiJ13MB2muzabdJHAiQoWiBBEgRwvgf5DZNPhVHU/8A951LSzL7c3aQBesjLe1733CfPPZfScBIcff45J@cJYcv5bMITyqqkC3FV1uOEcIRbJSzJJNkRO61tiveI21byJ2LVaadP6jvHOzt3@FqCFEmc26iwco49APwFoUCU5wD5w4HjkhmGyyTlK4VM5vDwkD1EbtVKW@n6XIWvivF6NVEgxCoUkqm8lkytxu1LzeITisLfIt1uhtS6Q7/VguQdcQgJLoJymdbFwfhwEYL5gnfRmEhlzuVeUu@eo3KkVnCcpJBTVgd6WpGU3/wsNktNd2zjN2/0M24Mswpm78y2Eb8lq6/EYq@sr@dyKRjICN/5i52vra2t5TZT6k5VLedEKWZ88qtYTFEMJROr@75cj1eP77CKlGPTv/k4vrPzVdv3YSCKCFkiA4pPDZJMVJUck/sAx22CN8Xvty7hDuKN9n3S9FrdQcccB22NxONqNn7rIP7saYsR2SoXfvd
I was thinking of reworking Pyth so that the polyglot could start with a #2 instead of #16, to save a character prior to a $ in column 7.
18:28
Double space can be added after the string. I already have a working solution, just need to write an answer.
lol. I just discovered that too. Excited to read it!
 
5 hours later…
23:02
0
A: Add a language to a polyglot

stasoid230. COBOL (GNU), 10884 bytes "Click 'Run code snippet' for a 'Try it online!' link."; h='https://tio.run/##7L1rbyNLdiD4WZz9B/sllNQtkuIrky/xIbKKkqiSqlSSSo9SVUm6rCSZJFNKZrIykxIplS7aPYtet20sPD29hh87vm3Peta7M8AYi13Ag/FgAPvrwJjfUP60MBbb/6D3nBOZySRFqlTXbewsMCkxMzLixImIEydOnHidbMhW91e/CuLF9g1t1NEM...


« first day (522 days earlier)      last day (55 days later) »