documents (for download) handling (wip)
sort list of tables
new files (wip)
work on pp content
download script: allow, but not in menu
indices for documents
complete documentslist_view()
complete document_edit
uids handling reworked, scrap `tag` concept
fix index specs
extend alink_document_view(): allow selection list
sql_save_document(): make sure: tag is unique; either pdf or url
(builtin)_select_element(): sync code in /code, /pp; get UID handling right
document handling
alink_document_view(): get format=list right
documents: new attributes: flag_current, flag_publish
implement download area (wip)
pi, pp: split basic.php in shared / non-shared files
get logic for sanity checks of cgi_get_vars right
style, sorting for lists of documents