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-rw-r--r--tools/src/h5diff/h5diff_common.c7
-rw-r--r--tools/src/h5dump/h5dump.c8
-rw-r--r--tools/src/h5ls/h5ls.c5
-rw-r--r--tools/src/misc/h5mkgrp.c7
-rw-r--r--tools/test/h5diff/testfiles/h5diff_10.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_600.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_603.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_606.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_612.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_615.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_621.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_622.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_623.txt3
-rw-r--r--tools/test/h5diff/testfiles/h5diff_624.txt3
-rw-r--r--tools/test/misc/testfiles/h5mkgrp_help.txt3
-rw-r--r--tools/testfiles/h5dump-help.txt3
-rw-r--r--tools/testfiles/help-1.ls3
-rw-r--r--tools/testfiles/help-2.ls3
-rw-r--r--tools/testfiles/help-3.ls3
-rw-r--r--tools/testfiles/pbits/tnofilename-with-packed-bits.ddl3
-rw-r--r--tools/testfiles/pbits/tpbitsIncomplete.ddl3
-rw-r--r--tools/testfiles/pbits/tpbitsLengthExceeded.ddl3
-rw-r--r--tools/testfiles/pbits/tpbitsLengthPositive.ddl3
-rw-r--r--tools/testfiles/pbits/tpbitsMaxExceeded.ddl3
-rw-r--r--tools/testfiles/pbits/tpbitsOffsetExceeded.ddl3
-rw-r--r--tools/testfiles/pbits/tpbitsOffsetNegative.ddl3
-rw-r--r--tools/testfiles/textlinksrc-nodangle-1.ls3
-rw-r--r--tools/testfiles/tgroup-1.ls3
28 files changed, 99 insertions, 0 deletions
diff --git a/tools/src/h5diff/h5diff_common.c b/tools/src/h5diff/h5diff_common.c
index 6248cd5..5ae2a37 100644
--- a/tools/src/h5diff/h5diff_common.c
+++ b/tools/src/h5diff/h5diff_common.c
@@ -640,6 +640,13 @@ usage(void)
PRINTVALSTREAM(rawoutstream,
" --vol-info-2 VOL-specific info to pass to the VOL connector used for\n");
PRINTVALSTREAM(rawoutstream, " opening the second HDF5 file specified\n");
+ PRINTVALSTREAM(rawoutstream, " If none of the above options are used to "
+ "specify a VOL for a file, then\n");
+ PRINTVALSTREAM(
+ rawoutstream,
+ " the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,\n");
+ PRINTVALSTREAM(rawoutstream,
+ " if that environment variable is unset) will be used\n");
PRINTVALSTREAM(rawoutstream,
" --vfd-value-1 Value (ID) of the VFL driver to use for opening the\n");
PRINTVALSTREAM(rawoutstream, " first HDF5 file specified\n");
diff --git a/tools/src/h5dump/h5dump.c b/tools/src/h5dump/h5dump.c
index 6b1d520..62ba1c9 100644
--- a/tools/src/h5dump/h5dump.c
+++ b/tools/src/h5dump/h5dump.c
@@ -219,6 +219,14 @@ usage(const char *prog)
PRINTVALSTREAM(rawoutstream,
" --vol-info VOL-specific info to pass to the VOL connector used for\n");
PRINTVALSTREAM(rawoutstream, " opening the HDF5 file specified\n");
+ PRINTVALSTREAM(
+ rawoutstream,
+ " If none of the above options are used to specify a VOL, then\n");
+ PRINTVALSTREAM(
+ rawoutstream,
+ " the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,\n");
+ PRINTVALSTREAM(rawoutstream,
+ " if that environment variable is unset) will be used\n");
PRINTVALSTREAM(rawoutstream,
" --vfd-value Value (ID) of the VFL driver to use for opening the\n");
PRINTVALSTREAM(rawoutstream, " HDF5 file specified\n");
diff --git a/tools/src/h5ls/h5ls.c b/tools/src/h5ls/h5ls.c
index b58d7d3..54c527a 100644
--- a/tools/src/h5ls/h5ls.c
+++ b/tools/src/h5ls/h5ls.c
@@ -239,6 +239,11 @@ usage(void)
PRINTVALSTREAM(rawoutstream,
" --vol-info VOL-specific info to pass to the VOL connector used for\n");
PRINTVALSTREAM(rawoutstream, " opening the HDF5 file specified\n");
+ PRINTVALSTREAM(rawoutstream,
+ " If none of the above options are used to specify a VOL, then\n");
+ PRINTVALSTREAM(rawoutstream,
+ " the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,\n");
+ PRINTVALSTREAM(rawoutstream, " if that environment variable is unset) will be used\n");
PRINTVALSTREAM(rawoutstream, " --vfd-value Value (ID) of the VFL driver to use for opening the\n");
PRINTVALSTREAM(rawoutstream, " HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vfd-name Name of the VFL driver to use for opening the\n");
diff --git a/tools/src/misc/h5mkgrp.c b/tools/src/misc/h5mkgrp.c
index 2e146c0..98b6b76 100644
--- a/tools/src/misc/h5mkgrp.c
+++ b/tools/src/misc/h5mkgrp.c
@@ -106,6 +106,13 @@ usage(const char *prog)
" --vol-info VOL-specific info to pass to the VOL connector used for\n");
PRINTVALSTREAM(rawoutstream, " opening the HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream,
+ " If none of the above options are used to specify a VOL, then\n");
+ PRINTVALSTREAM(
+ rawoutstream,
+ " the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,\n");
+ PRINTVALSTREAM(rawoutstream,
+ " if that environment variable is unset) will be used\n");
+ PRINTVALSTREAM(rawoutstream,
" --vfd-value Value (ID) of the VFL driver to use for opening the\n");
PRINTVALSTREAM(rawoutstream, " HDF5 file specified\n");
PRINTVALSTREAM(rawoutstream, " --vfd-name Name of the VFL driver to use for opening the\n");
diff --git a/tools/test/h5diff/testfiles/h5diff_10.txt b/tools/test/h5diff/testfiles/h5diff_10.txt
index fe3474c..dbd5418 100644
--- a/tools/test/h5diff/testfiles/h5diff_10.txt
+++ b/tools/test/h5diff/testfiles/h5diff_10.txt
@@ -37,6 +37,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_600.txt b/tools/test/h5diff/testfiles/h5diff_600.txt
index eaf9c15..46a1c45 100644
--- a/tools/test/h5diff/testfiles/h5diff_600.txt
+++ b/tools/test/h5diff/testfiles/h5diff_600.txt
@@ -37,6 +37,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_603.txt b/tools/test/h5diff/testfiles/h5diff_603.txt
index aa0697a..e930dbe 100644
--- a/tools/test/h5diff/testfiles/h5diff_603.txt
+++ b/tools/test/h5diff/testfiles/h5diff_603.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_606.txt b/tools/test/h5diff/testfiles/h5diff_606.txt
index 87d6b01..02b80eb 100644
--- a/tools/test/h5diff/testfiles/h5diff_606.txt
+++ b/tools/test/h5diff/testfiles/h5diff_606.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_612.txt b/tools/test/h5diff/testfiles/h5diff_612.txt
index a44d94a..4cccece 100644
--- a/tools/test/h5diff/testfiles/h5diff_612.txt
+++ b/tools/test/h5diff/testfiles/h5diff_612.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_615.txt b/tools/test/h5diff/testfiles/h5diff_615.txt
index 5dc9cd3..3641164 100644
--- a/tools/test/h5diff/testfiles/h5diff_615.txt
+++ b/tools/test/h5diff/testfiles/h5diff_615.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_621.txt b/tools/test/h5diff/testfiles/h5diff_621.txt
index d7998b5..05b952c 100644
--- a/tools/test/h5diff/testfiles/h5diff_621.txt
+++ b/tools/test/h5diff/testfiles/h5diff_621.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_622.txt b/tools/test/h5diff/testfiles/h5diff_622.txt
index badfddd..4d3e945 100644
--- a/tools/test/h5diff/testfiles/h5diff_622.txt
+++ b/tools/test/h5diff/testfiles/h5diff_622.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_623.txt b/tools/test/h5diff/testfiles/h5diff_623.txt
index 6ddd3da..fd992ef 100644
--- a/tools/test/h5diff/testfiles/h5diff_623.txt
+++ b/tools/test/h5diff/testfiles/h5diff_623.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/h5diff/testfiles/h5diff_624.txt b/tools/test/h5diff/testfiles/h5diff_624.txt
index 083632a..cc9578f 100644
--- a/tools/test/h5diff/testfiles/h5diff_624.txt
+++ b/tools/test/h5diff/testfiles/h5diff_624.txt
@@ -38,6 +38,9 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
HDF5 file specified
--vol-info-2 VOL-specific info to pass to the VOL connector used for
opening the second HDF5 file specified
+ If none of the above options are used to specify a VOL for a file, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value-1 Value (ID) of the VFL driver to use for opening the
first HDF5 file specified
--vfd-name-1 Name of the VFL driver to use for opening the first
diff --git a/tools/test/misc/testfiles/h5mkgrp_help.txt b/tools/test/misc/testfiles/h5mkgrp_help.txt
index 5d81b34..d01fbee 100644
--- a/tools/test/misc/testfiles/h5mkgrp_help.txt
+++ b/tools/test/misc/testfiles/h5mkgrp_help.txt
@@ -11,6 +11,9 @@ usage: h5mkgrp [OPTIONS] FILE GROUP...
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/h5dump-help.txt b/tools/testfiles/h5dump-help.txt
index e20df73..9274600 100644
--- a/tools/testfiles/h5dump-help.txt
+++ b/tools/testfiles/h5dump-help.txt
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/help-1.ls b/tools/testfiles/help-1.ls
index 6ed1aab..1cf733b 100644
--- a/tools/testfiles/help-1.ls
+++ b/tools/testfiles/help-1.ls
@@ -52,6 +52,9 @@ usage: h5ls [OPTIONS] file[/OBJECT] [file[/[OBJECT]...]
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/help-2.ls b/tools/testfiles/help-2.ls
index 6ed1aab..1cf733b 100644
--- a/tools/testfiles/help-2.ls
+++ b/tools/testfiles/help-2.ls
@@ -52,6 +52,9 @@ usage: h5ls [OPTIONS] file[/OBJECT] [file[/[OBJECT]...]
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/help-3.ls b/tools/testfiles/help-3.ls
index 6ed1aab..1cf733b 100644
--- a/tools/testfiles/help-3.ls
+++ b/tools/testfiles/help-3.ls
@@ -52,6 +52,9 @@ usage: h5ls [OPTIONS] file[/OBJECT] [file[/[OBJECT]...]
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tnofilename-with-packed-bits.ddl b/tools/testfiles/pbits/tnofilename-with-packed-bits.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tnofilename-with-packed-bits.ddl
+++ b/tools/testfiles/pbits/tnofilename-with-packed-bits.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tpbitsIncomplete.ddl b/tools/testfiles/pbits/tpbitsIncomplete.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tpbitsIncomplete.ddl
+++ b/tools/testfiles/pbits/tpbitsIncomplete.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tpbitsLengthExceeded.ddl b/tools/testfiles/pbits/tpbitsLengthExceeded.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tpbitsLengthExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsLengthExceeded.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tpbitsLengthPositive.ddl b/tools/testfiles/pbits/tpbitsLengthPositive.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tpbitsLengthPositive.ddl
+++ b/tools/testfiles/pbits/tpbitsLengthPositive.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tpbitsMaxExceeded.ddl b/tools/testfiles/pbits/tpbitsMaxExceeded.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tpbitsMaxExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsMaxExceeded.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tpbitsOffsetExceeded.ddl b/tools/testfiles/pbits/tpbitsOffsetExceeded.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tpbitsOffsetExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsOffsetExceeded.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/pbits/tpbitsOffsetNegative.ddl b/tools/testfiles/pbits/tpbitsOffsetNegative.ddl
index e20df73..9274600 100644
--- a/tools/testfiles/pbits/tpbitsOffsetNegative.ddl
+++ b/tools/testfiles/pbits/tpbitsOffsetNegative.ddl
@@ -32,6 +32,9 @@ usage: h5dump [OPTIONS] files
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/textlinksrc-nodangle-1.ls b/tools/testfiles/textlinksrc-nodangle-1.ls
index 6ed1aab..1cf733b 100644
--- a/tools/testfiles/textlinksrc-nodangle-1.ls
+++ b/tools/testfiles/textlinksrc-nodangle-1.ls
@@ -52,6 +52,9 @@ usage: h5ls [OPTIONS] file[/OBJECT] [file[/[OBJECT]...]
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the
diff --git a/tools/testfiles/tgroup-1.ls b/tools/testfiles/tgroup-1.ls
index 6ed1aab..1cf733b 100644
--- a/tools/testfiles/tgroup-1.ls
+++ b/tools/testfiles/tgroup-1.ls
@@ -52,6 +52,9 @@ usage: h5ls [OPTIONS] file[/OBJECT] [file[/[OBJECT]...]
HDF5 file specified
--vol-info VOL-specific info to pass to the VOL connector used for
opening the HDF5 file specified
+ If none of the above options are used to specify a VOL, then
+ the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector,
+ if that environment variable is unset) will be used
--vfd-value Value (ID) of the VFL driver to use for opening the
HDF5 file specified
--vfd-name Name of the VFL driver to use for opening the