As shown in Figure 138, symbols in the column closest to the document tree identify the changes relative to the currently selected source. Here, the edit symbol ( ) indicates that the value in the target document, White, differs from that in the currently selected source (which happens to be Black in this example).

The first column of symbols characterize changes in the currently selected source relative to other source documents. Here, for example, the red exclamation point ( ) indicates that there are conflicting modifications in other source documents - that is, other source documents contain a value other than Black. As shown in Figure 139, when you click on a symbol in the first column, Stylus Studio displays

Figure 139. Easily Navigate to Changed Nodes in Other Source Documents

Clicking on a document in this menu changes the current focus to that source document, allowing you to easily navigate to the same node in a different document.

The additional symbols used by Stylus Studio when diffing multiple documents are described in Table 16.

Table 16. Symbols Used to Specify Changes in Source Documents

Symbol	Description	Meaning
	Yellow circle	Modified in other documents - The object in the target and the current source document are the same, but another source document is different.
	Red exclamation point	Conflicting modification in other documents - The object in the current source differs from that in the target document. Other source documents differ from both the current source and target.
	Yellow diamond	Same modification in other documents - The source documents all differ from the target document in the same way.
	Yellow equal sign	Unchanged in other documents - The current source document differs from the target, but other source documents are the same as the target.

Consider the example in Figure 140, which illustrates diffing three documents. In this example, the node in question is circled in red.

Figure 140. Diffing Three Documents

Notice that:

l source1.xml currently has focus.

l source1.xml and the target document node have the same value (<abc>)

l The node in question varies in both of the remaining source documents (it is <abc> in one and <abc> in the other).

Table 17 shows the symbols that might appear based on changing values to the node in question. The example illustrated in Figure 140 is shown in the first row. As values in the source documents change, Stylus Studio changes the diff symbol accordingly.

Table 17. Symbols Used to Specify Changes in Source Documents

Symbol	target.xml	source1.xml	source2.xml	source3.xml
	<abc>	<abc>	<xyz>	<123>
	<abc>	<xyz>	<jkl>	<mno>
	<abc>	<xyz>	<xyz>	<xyz>
	<abc>	<xyz>	<abc>	<abc>

Note

Changing the target-source pairing, that is, changing the current source document, affects the symbols that are displayed.

How to Diff Multiple Documents

To diff multiple documents:

1. Select Tools > Options > Show Differences > Files from the Stylus Studio menu.

Stylus Studio displays the XML Diff Viewer.

2. In the source document window, click the add button ( ) to add the first source document.

Stylus Studio displays the Open dialog box.

Tip

You can drag and drop a file into the entry field to load the document in the XML Diff Viewer.

3. Navigate to the document you want to load in the XML Diff Viewer.

4. Click Open.

5. Repeat Step 2 through Step 4 for additional source documents.

6. Repeat Step 2 through Step 4 for the target document, using the set button for the target document window ( ).

By default, Stylus Studio runs the diff calculation automatically when you select the target document. If the default On changes setting has changed, you need to run the diff calculation manually by clicking the Calculate diff button ( ).

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