[xml] Merging of TextNodes

[Uwe Köhler <Uwe Koehler onevision com>]

Hi there,

I do have a question related to the
merging of text nodes when using xmlAddNextSibling. Many thanks in advance
for any help.

The situation the the following: I already
got two child nodes:

Comment1 with name "comment"
and XML_COMMENT_NODE type
and 
Text1 with name "text" and
XML_TEXT_NODE type

When I am inserting node 
Text2 with name "text" and
XML_TEXT_NODE type 
 with xmlAddNextSibling.( Comment1,
Text2), the TextNodes Text1 and Text2 are not merged. I would have expected
them to be merged into one node.

When I look at tree.c in function  xmlAddNextSibling,
the case where the cur and elem node are TextNodes is handled first (not
the case here) and the next case should be that cur->next and elem are
TextNodes. However, the (cur->name == cur->next->name) clause
prevents the merge. These are "comment" and "text"
in this case.

Have I misunderstood the need to merge
the two TextNodes in this case? Why is there a comparision of the names
in the first place? I would have assumed comparing the node types would
be sufficient.

Any help would be very welcome.

Cheers

Uwe

i.A. Dr. Uwe KÃhler

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