Hello, everyone:
In the process of using Subversion, there are several questions that I hope 
someone can help to confirm, get the exact answer or official note
1, Subversion can not modify the version number under the premise of modifying 
the historical version of the content?
2, if you can make changes, please provide the appropriate changes or feasible 
recommendations; Also modified after the existence of the repository is not 
available, etc. Please give instructions, modify the historical version of the 
information is retained operating log?
3, hope to get the Subversion project official email or official authorized 
reply, thank you for the help!



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From: Andreas Stieger
Date: 2017-05-19 19:19
To: shen...@snail.com
CC: dev
Subject: Re: On the subversion I have a question to confirm
Hello, 
 
"shen...@snail.com" wrote:
> On the subversion I have a question to confirm, 
> that the historical version has been submitted inside, 
> whether by modifying the underlying file to modify the historical
> version of the content, hoping to help answer this question, thank you.
 
That does hardly make sense, but let me try:
 
History manipulation is subversion is not trivially possible. In fact, it is 
designed not to allow such modification.
 
You may dump and selectively load the history into a new repository. 
(dumpfilter)
Alternatively you may do the same, but create "corrected" revisions in place of 
the ones you want to remove. Note that subsequent loads may no longer apply 
from the svndump format, and that working copies may be invalidated should 
history change unexpectedly.
 
Andreas

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