Eclipse's XSLT editor is getting really smart. Here's a small example.

1. Type

   <xsl:var

2. Press Ctrl+Space to open Content Assist. Next press Enter to select the only available suggestion.

3. Your line now looks like this:

   <xsl:variable name=""></xsl:variable>

4. Enter a name in the name attribute and add another attribute s.

5. Your line now looks like this:

   <xsl:variable name="myname" s></xsl:variable>

6. Press Ctrl+Space to open Content Assist. Next press Enter to select the default suggestion.

7. Your line now looks like this:

   <xsl:variable name="myname" select=""></xsl:variable>

8. Enter an expression in the select attribute and type a / after the attribute value.

9. Your line now looks like this:

   <xsl:variable name="myname" select="/some/path"/>

Especially the automatic cleanup of empty elements is cool.