Master fitting user mode can be initiated from any fitteia user mode.
At start TAG hashtags are automatically added to the data in the DATA text box according to already existing DATA blocks.
The TAG hashtags are set with the indexing block order and can be replaced by any alphanumeric string according to the user preferences.
These TAG hashtags univocally identify each dataset and can be used to control which datasets to consider while fitting/plotting.
# DATA dum=1
# TAG = ID_string_with_no_spaces
0.5 1 0.1
1.1 2.1 0.1
2.1 2.9 0.1
3.05 3.1 0.1