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1 | This files describes API changes in /dataformat/ download system, |
2 | information provided here is intended especially for developers. | |
3 | ||
d4606c1b | 4 | === 3.4 === |
bff1edbe | 5 | |
d4606c1b MN |
6 | * In order to allow multiple sheets in an exported file the functions write_header() and write_footer() have |
7 | been removed from core dataformats plugins and have been replaced. | |
8 | - write_header() has been split into the two functions start_output() and start_sheet(). | |
9 | - write_footer() has been split into the two functions close_output() and close_sheet(). | |
10 | For backwards compatibility write_header() and write_footer() will continue to work but if used will | |
11 | trigger the function error_log(). | |
bff1edbe | 12 | |
d4606c1b MN |
13 | === 3.1 === |
14 | * Added new plugin system with low memory support for csv, ods, xls and json |