commented out the mapping to a script local function in another file. I suspect MyPopup() function might be a function for debugging.
(1) The variable g:org_agenda_files doen't work, but g:agenda_files does. I was confused with the document, so corrected it.
(2) replaced unspecified characters encoded as 0x91 and 0x92 to `(0x60) and '(0x27)
(1) fixed g:agenda_dirs to g:org_agenda_select_dirs in helpfile(doc/vimorg.otxt), because org_agenda_select_dirs is on effect in ftplugin/org.vim
(2) replaced unspecified characters encoded as 0x91 and 0x92 to `(0x60) and '(0x27)
replaced `(0x60) to '(0x27) because 0x27 is used in other parts for the same purpose in this document.
replaced `(0x60) to '(0x27) because 0x27 is used in other parts for the same purpose in this document.
Merge branch 'corrected_org_agenda_files_in_helpfile'

(1) The variable g:org_agenda_files doen't work, but g:agenda_files
 does. I was confused with the document, so corrected it.
(2) replaced unspecified characters encoded as 0x91 and 0x92 to '(0x27)
because it is used at other parts in this document.
Merge branch 'corrected_agenda_dirs_in_helpfile'

(1) fixed g:agenda_dirs to g:org_agenda_select_dirs in
helpfile(doc/vimorg.otxt), because org_agenda_select_dirs is on effect
in ftplugin/org.vim
(2) replaced unspecified characters encoded as 0x91 and 0x92 to '(0x27)
because it is used at other parts in this document.