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Sprintf bug #612

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petar opened this issue Feb 20, 2010 · 2 comments
Closed

Sprintf bug #612

petar opened this issue Feb 20, 2010 · 2 comments
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@petar
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petar commented Feb 20, 2010 

Before filing a bug, please check whether it has been fixed since
the latest release: run "hg pull -u" and retry what you did to
reproduce the problem.  Thanks.

What steps will reproduce the problem?

        fmt.Printf("%5s|\n", "a")
        fmt.Printf("%5s|\n", "aa")
        fmt.Printf("%5s|\n", "aaa")
        fmt.Printf("%5s|\n", "a·a")


What is the expected output? What do you see instead?

The bar "|" should be at the same column for all. It is not
for the last Printf, which has a non-keyboard character (the mid-dot).

What is your $GOOS?  $GOARCH?

darwin, amd64

Which revision are you using?  (hg identify)
0692c79ada0a+ tip

Please provide any additional information below.
@gopherbot
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Comment 1 by robpike:

This isn't so obvious.
ANSI C defines printf to count bytes, not characters, when padding.  The current code
implements the ANSI C 
spec on purpose.  Go does not have to be the same, but it also does not have to be
gratuitously different.
Opinions welcome.
-rob

@robpike
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robpike commented Feb 28, 2010

Comment 2:

This issue was closed by revision a627d61.

Status changed to Fixed.

@golang golang locked and limited conversation to collaborators Jun 24, 2016
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@petar @robpike @gopherbot