Glossary

The following terms are used in Rational® ClearCase® XML Diff Merge.

base version
The contributor against which each of the other contributors is compared to detect differences.
conflict
A difference that cannot be resolved by an automerge, and must be resolved by a user. Involves multiple differences at the same node whose resolution is ambiguous.
contributor
A file or version that participates in a compare or merge operation. Typically, contributors are multiple versions of the same XML file.
difference
A variance between a matched node in the base version and another contributor.
from-version
In Rational ClearCase merge operations, any contributor except the to-version. The term is not used in Rational ClearCase XML Diff Merge
hidden node
A difference node whose location cannot be shown in the merge output display until a difference in an ancestor node is resolved.
merge
The combining of the contents of two or more files into a single new file.
merge output
The output of a merge operation. Once you have resolved any conflicting differences between contributors, you can save the merged contents into the merge output file. In ClearCase merges, the merge output file is typically written to the CHECKEDOUT version of the contributor to which you are merging. In standalone mode, you specify the output file.
merge point
An unresolved difference in the output pane of the Merging window. You must resolve all merge points in order to save a merge output version.
node
An element, attribute, or other XML item in the XML Diff Merge data display.
placeholder
A pseudonode created by XML Diff Merge to display the same number of nodes in all contributors. When a node is added, deleted, or moved, a placeholder is inserted into the contributor where the node is missing.
to-version
In automatic merges, the version from which differences are applied to the merge output file.
unresolved difference
In a merge, any difference that has not yet been resolved; in a compare operation, a difference that would be a conflict in an automerge.
whitespace
Space, tab, or end of line characters. You can choose different glyphs to display for each character.

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