Download Eclipse Classic later version, the Eclipse does not support XML editing, so to find some information, the solution to write about. <XML:? NAMESPACE PREFIX = O />
1. Open the screen: Help> Software the Updates> the Find and the Install
<?XML:NAMESPACE PREFIX = V />
2. Select Search for new features to install case, click on Next
3. Select the Europa Discovery Site under the circumstances, and click Finish
4, check the following several functions
a. Eclipse Modeling Framework(EMF)
b. Eclipse Modeling Framework Technologies(EMFT)
c. Graphical Editing Framework(GEF)
d. Model Development Tolls(MDT)
e. Web Tools Platform(WTP)
5, point the way to go install it. After installation, restart the Eclipse , you can edit XML files.
Reproduced in: https: //www.cnblogs.com/licheng/archive/2008/08/24/1275049.html