Peter Donald wrote:
> Hi,
>
> Im still not sure I am comfortable with doing the mergin this way rather than
> through utlity methods. The main reason is there are different strategies to
> use when merging consider the following
>
> Source: <a/>
> Default: <a><b/></a>
>
> The result will most likely be equal to the "Default" tree. But what happens
> in the following cases
>
> Source: <a><b/></a>
> Default: <a><b/></a>
>
> Do we double the B or replace it?
>
> Source: <a><b x="1"/></a>
> Default: <a><b/></a>
>
> Do we double the B or replace it?
>
> Source: <a><b x="1"/></a>
> Default: <a><b y="2"/></a>
>
> Do we double the B or replace it or merge it?
>
> Source: <a><b x="1"/></a>
> Default: <a><b x="2" y="2"/></a>
>
> Do we double the B or replace it or merge it?
In all of those situations, I believe the desire was for the Source to override
the default. So in each of your examples (numbered 1-5) the results are listed:
1. <a><b/></a>
2. <a><b/></a>
3. <a><b x="1"/></a>
4. <a><b x="1" y="2"/></a>
5. <a><b x="1" y="2"/></a>
So the Default provides base values, and the Source will override those values
when provided.
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