[XML-SIG] [ pyxml-Bugs-774091 ] minidom CharacterData string methods fail when offset=length

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Bugs item #774091, was opened at 2003-07-19 07:42
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Category: DOM
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Andrew Clover (bobince)
Assigned to: Nobody/Anonymous (nobody)
Summary: minidom CharacterData string methods fail when offset=length

Initial Comment:
In all minidom versions up to that released in 0.8.2, an 
IndexSizeErr is raised by the methods substringData, 
insertData, deleteData and replaceData when the offset 
parameter passed is beyond *or at* the end of the 
current string value.

According to DOM Level 1 Core, the exception should be 
raised only if the offset is *greater than* the length.

The comparisons at lines 967, 979, 988 and 998 of 
minidom.py should be changed from:

  if offset >= len(self.data):

to:

  if offset > len(self.data):


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