diff --git a/.travis.yml b/.travis.yml
index 2e4ee70..5366379 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,33 +2,37 @@ language: C
 
 
 before_install:
-- sudo apt-get -qq update
-- sudo apt-get install -y gfortran
-- pwd
-- ls
-- pushd /tmp
-- wget http://computation.llnl.gov/projects/floating-point-compression/download/zfp-0.5.0.tar.gz
-- tar -xzf zfp-0.5.0.tar.gz
-- pushd zfp-0.5.0
-- make DEFS=-DBIT_STREAM_WORD_TYPE=uint8
-- popd
-- wget https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.8/hdf5-1.8.14/src/hdf5-1.8.14.tar.gz
-- tar -xzf hdf5-1.8.14.tar.gz
-- pushd hdf5-1.8.14
-- patch ./tools/h5repack/h5repack_parse.c /home/travis/build/LLNL/H5Z-ZFP/test/h5repack_parse.patch
-- ./configure --prefix=`pwd`/my_install --enable-production --enable-fortran --enable-fortran2003 --enable-silent-rules
-- make -j4 install 1>/dev/null 2>&1
-- popd
-- popd
+  - sudo apt-get -qq update
+  - sudo apt-get install -y gfortran
+  - pwd
+  - ls
+  - pushd /tmp
+  - wget http://computation.llnl.gov/projects/floating-point-compression/download/zfp-0.5.2.tar.gz
+  - tar -xzf zfp-0.5.2.tar.gz
+  - pushd zfp-0.5.2
+  - make DEFS=-DBIT_STREAM_WORD_TYPE=uint8
+  - popd
+  - wget https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.8/hdf5-1.8.14/src/hdf5-1.8.14.tar.gz
+  - tar -xzf hdf5-1.8.14.tar.gz
+  - pushd hdf5-1.8.14
+  - patch ./tools/h5repack/h5repack_parse.c /home/travis/build/LLNL/H5Z-ZFP/test/h5repack_parse.patch
+  - ./configure --prefix=`pwd`/my_install --enable-production --enable-fortran --enable-fortran2003 --enable-silent-rules
+  - make -j4 install 1>/dev/null 2>&1
+  - popd
+  - popd
 
 install: true
 
 script:
-- make FCFLAGS="-O0 -fPIC --coverage -fprofile-arcs -ftest-coverage" CFLAGS="-O0 -fPIC --coverage" LDFLAGS=--coverage FC=gfortran CC=gcc ZFP_HOME=/tmp/zfp-0.5.0 HDF5_HOME=/tmp/hdf5-1.8.14/my_install check
-- ls -R
-- pushd src; ls; gcov H5Zzfp_lib H5Zzfp_plugin H5Zzfp_props; popd
-- pushd test; ls; gcov test_read_lib test_write_lib test_write_plugin; popd
+  - make FCFLAGS="-O0 -fPIC --coverage -fprofile-arcs -ftest-coverage" \
+         CFLAGS="-O0 -fPIC --coverage" \
+         LDFLAGS="--coverage -lm" \
+         FC=gfortran CC=gcc \
+         ZFP_HOME=/tmp/zfp-0.5.2 \
+         HDF5_HOME=/tmp/hdf5-1.8.14/my_install check
+  - pushd src; gcov -a H5Zzfp_lib H5Zzfp_plugin H5Zzfp_props; popd
+  - pushd test; gcov -a test_read_lib test_write_lib test_write_plugin; popd
 
 after_success:
-- bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)
 
diff --git a/docs/interfaces.rst b/docs/interfaces.rst
index 1062302..467ae74 100644
--- a/docs/interfaces.rst
+++ b/docs/interfaces.rst
@@ -134,9 +134,16 @@ interface is the only interface available for Fortran callers.
 Plugin vs. Library Operation
 ----------------------------
 
-The filter is designed to be compiled for use as both a standalone HDF5_ *plugin*
+The filter is designed to be compiled for use as both a standalone HDF5_
+`dynamically loaded HDF5 plugin <https://support.hdfgroup.org/HDF5/doc/Advanced/DynamicallyLoadedFilters/HDF5DynamicallyLoadedFilters.pdf>`_.
 and as an explicitly linked *library*.
-When it is used as a plugin, all HDF5_ applications are *required*
+When it is used as a plugin, it is a best practice to link the ZFP_ library
+into the plugin dynamic/shared object as a *static* library. Why? In so doing,
+we ensure that all ZFP_ public namespace symbols remain *confined* to the plugin
+so as not to interfere with any application that may be directly explicitly linking
+to the ZFP_ library for other reasons.
+
+All HDF5_ applications are *required*
 to *find* the plugin dynamic library (named ``lib*.{so,dylib}``)
 in a directory specified by the enviornment
 variable, ``HDF5_PLUGIN_PATH``. Currently, the HDF5 library offers
diff --git a/src/Makefile b/src/Makefile
index b4b57d9..9f6c563 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -63,3 +63,4 @@ clean:
 	rm -rf plugin
 	rm -f libh5zzfp.a *.o *.[mM][oO][dD]
 	rm -f *.gcno *.gcda *.gcov
+	rm -f H5Zzfp_props_f.mod