menu: name of lfun used in menu \n
icon: name of lfun used in toolbar \n
buffer: "name"|"path"|"class"|"vcs-tree-revision"|
- "vcs-revision"|"vcs-author"|"vcs-date"|"vcs-time"
+ "vcs-revision"|"vcs-author"|"vcs-date"|"vcs-time"
* \li Sample: command-sequence info-insert buffer path; info-insert buffer name
* \li Origin: bpeng, 7 Oct 2007
* \endvar