James Vega wrote:
> Various of Vim's builtin functions suppress displaying error messages
> (by default) and instead indicate an error via a specific return. A
> simple example is expand(), which returns an empty string when the
> expansion fails.
>
> If any of these functions are evaluated as part of 'statusline' and
> "error", the statusline is disabled even though there is no error
> message indicating to the user why it got disabled.
>
> " Set the following and then move the cursor to a blank line
> :set statusline=%{expand('<cword>')}
>
> The attached patch moves the check for "suppressing error messages" to
> the top of emsg(). This provides the more intuitive behavior of only
> flagging an error when a message was actually displayed to the user.
Hmm, we will have to check very carefully that the flag now isn't set
when it should.
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