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d9b31e4859
It failed to check for error return from xsltApplyStylesheet(), as reported by Peter Gagarinov. (So far as I can tell, libxslt provides no convenient way to get a useful error message in failure cases. There might be some inconvenient way, but considering that this code is deprecated it's hard to get enthusiastic about putting lots of work into it. So I just made it say "failed to apply stylesheet", in line with the existing error checks.) While looking at the code I also noticed that the string returned by xsltSaveResultToString was never freed, resulting in a session-lifespan memory leak. Back-patch to all supported versions.
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "gmake all" and "gmake
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.