| 1 | File contains a table with two columns (tab separated), first holds original quantity name, second holds substituted quantity name. |
| 2 | |
| 3 | The file is read and added to a session (as session property). The list can be edited manually (i.e. via push-button in property widget a list definition opens, where the substitutions can be entered/read from file/stored in file). |
| 4 | |
| 5 | The substitutions are used session-wide. |
| 6 | |
| 7 | Whenever the user interface retrieves the extractors quantity names, these are first run through the substitution list. Hence, all access to extractor quantities should be piped through some global/session-wide substitution function. |
| 8 | |