There is several other tasks which have link to "Library Dependencies"
page, eg. xslt/style, mail, junit, junitreport, script, stylebook,
telnet and test.

Jesse, in guide for creating of Ant documentation there is step in
which the "install.html" file is renamed to "libdeps.html" and
everything apart the Library Dependencies chapter is removed from that
file. However, several tasks mentioned above contains link to "<a
href=../install.html#librarydependencies>Library Dependencies</a>". I
think the reason for rename was just cosmetic - to give a file more
accurate name.

I propose to remove this rename step and leave the name of the file
"install.html" (although the file will contain just Library Dep info).
That will solve this issue. Do you agree? Or would you prefer to fix
all occurrences of the invalid link?

Either would be fine, I guess. Yes the rename was just for cosmetic
purposes.

Fixed in files:

Checking in build.xml;
new revision: 1.70; previous revision: 1.69
Checking in docs/javahelp/org/apache/tools/ant/module/docs/Map.jhm;
new revision: 1.3; previous revision: 1.2
Checking in external/ant-docs-1.5.1.zip.scrambled;
new revision: 1.2; previous revision: 1.1

Verified.