There has been some blank lines

[cranehuang]

Sometimes,some blank lines appear after the code completed.as you can see in the following picture:

[alexander-yakushev]

Does it happen only when you complete from REPL, or in Clojure buffers too?

Is it consistent for specific completions you make, or seems random?

[cranehuang]

Both in REPL and Clojure buffers.And it seems random.

[alexander-yakushev]

I suspect it might be a bug in popul.el, because ac-cider doesn't interact with the buffer directly anywhere. But if you happen to spot some pattern when it happens, I will investigate.

[cranehuang]

Ok,if I find some thing related , I'll tell you here.

[asadeghi]

This happened to me all the time (to repro, you had to be editing the last few lines of a Clojure buffer, and then either ESC or wait a while before accepting the auto-complete option). However this looks to now be fixed in ac-cider-20151012.308.

[alexander-yakushev]

Yes, I've been aware of that for some time. Unfortunately it is a bug in
auto-complete itself - this happens to me on ac-slime for common lisp as
well.

You might try to submit a report to AC repo and see if anyone reacts.

On Thu, Nov 19, 2015, 07:21 Armin Sadeghi notifications@github.com wrote:

This happens to me all the time. To repro reliably:

1. Turn on "whitespace-mode" so you can see the extra blank lines.
2. Edit something with auto-complete in a Clojure buffer that is towards
   the end of the file, i.e. the last few lines. As the auto complete kicks in
   you can see the extra lines being added (which is expected).
3. When the auto-complete window is showing you options, wait 3-5 seconds,
   then press enter or type something new. This will cause the issue in
   question.
   Alternatively - with the AC window showing, press ESC.

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[MalloZup]

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