Wanderlust has on-line and off-line states. In the off-line state, you cannot access messages via network, unless they are cached.
`[ON]' in the mode line indicates the on-line state. `[--]' in the mode line indicates the off-line state. In folder or summary modes, press M-t to switch between off- and on-line.
You can invoke Wanderlust in the off-line state by setting
wl-plugged to nil in `~/.wl' or anything appropriate.
In the off-line mode, n and p command in the summary mode ignores uncached messages.
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