delete from pattern to pattern if it contains match

[harirammanohar at gmail.com]

On Friday, April 22, 2016 at 2:30:45 PM UTC+5:30, hariram... at gmail.com wrote:
> On Thursday, April 21, 2016 at 4:55:18 PM UTC+5:30, Peter Otten wrote:
> > harirammanohar at gmail.com wrote:
> > 
> > > On Monday, April 18, 2016 at 12:38:03 PM UTC+5:30, hariram... at gmail.com
> > > wrote:
> > >> HI All,
> > >> 
> > >> can you help me out in doing below.
> > >> 
> > >> file:
> > >> <start>
> > >>  guava
> > >> fruit
> > >> <end>
> > >> <start>
> > >>  mango
> > >> fruit
> > >> <end>
> > >> <start>
> > >>  orange
> > >> fruit
> > >> <end>
> > 
> > Is that literally what you have in the file?
> > 
> > > any one can guide me ? why xml tree parsing is not working if i have
> > > root.tag and root.attrib as mentioned in earlier post...
> > 
> > The data above is not valid xml. Instead of
> > 
> > <start>...<end>
> > 
> > you need
> > 
> > <start>...</start>
> > 
> > i. e. the end tag must be the same as the start tag, but with a leading "/".
> 
> @peter yes here it is not xml, but real data is an xml..believe me..

@peter this is the similar xml i am having, you can correlate.

https://tomcat.apache.org/tomcat-5.5-doc/appdev/web.xml.txt