listdlg: Make appearance and behavior more Matlab compatible (bug #46026) * dialog.h, dialog.cc (ListDialog::ListDialog): Hide "Select All" button when in single-selection mode. Set "Ok" button as the default button, allows Enter/Return to accept the selection. Handle double-click on list item with the item_double_clicked slot. (ListDialog::item_double_clicked): New slot.

header = '{date|shortdate}  {author|person}  <{author|email}>\n\n'
changeset = '\t{desc|tabindent|strip}\n\n\tFiles: {files|stringify|fill68|tabindent|strip}\n\n'