do not use `a' quoting style in comments

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

35 files changed, 42 insertions, 42 deletions

diff --git a/coreutils/date.c b/coreutils/date.c
index 0fb9f1f00..2c6e1d4df 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -66,7 +66,7 @@
  * date [OPTION]... [+FORMAT]
  * date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]
  * -d, --date=STRING
- *      display time described by STRING, not `now'
+ *      display time described by STRING, not 'now'
  * -f, --file=DATEFILE
  *      like --date once for each line of DATEFILE
  * -r, --reference=FILE
diff --git a/coreutils/echo.c b/coreutils/echo.c
index af33319a1..e45b90940 100644
--- a/coreutils/echo.c
+++ b/coreutils/echo.c
@@ -218,7 +218,7 @@ int echo_main(int argc UNUSED_PARAM, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/coreutils/env.c b/coreutils/env.c
index 8def9c2da..3242446f5 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -129,7 +129,7 @@ int env_main(int argc UNUSED_PARAM, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/coreutils/nohup.c b/coreutils/nohup.c
index 8e28f9029..df271c738 100644
--- a/coreutils/nohup.c
+++ b/coreutils/nohup.c
@@ -31,12 +31,12 @@
 
 /* Compat info: nohup (GNU coreutils 6.8) does this:
 # nohup true
-nohup: ignoring input and appending output to `nohup.out'
+nohup: ignoring input and appending output to 'nohup.out'
 # nohup true 1>/dev/null
 nohup: ignoring input and redirecting stderr to stdout
 # nohup true 2>zz
 # cat zz
-nohup: ignoring input and appending output to `nohup.out'
+nohup: ignoring input and appending output to 'nohup.out'
 # nohup true 2>zz 1>/dev/null
 # cat zz
 nohup: ignoring input
diff --git a/coreutils/od.c b/coreutils/od.c
index e3a68435b..9a888dd5f 100644
--- a/coreutils/od.c
+++ b/coreutils/od.c
@@ -223,7 +223,7 @@ int od_main(int argc, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/e2fsprogs/e2fs_lib.h b/e2fsprogs/e2fs_lib.h
index f2ae56f43..ae28c353b 100644
--- a/e2fsprogs/e2fs_lib.h
+++ b/e2fsprogs/e2fs_lib.h
@@ -26,7 +26,7 @@ int fgetsetflags(const char *name, unsigned long *get_flags, unsigned long set_f
 #define fgetflags(name, flags) fgetsetflags(name, flags, 0)
 #define fsetflags(name, flags) fgetsetflags(name, NULL, flags)
 
-/* Must be 1 for compatibility with `int long_format'. */
+/* Must be 1 for compatibility with 'int long_format'. */
 #define PFOPT_LONG  1
 /* Print file attributes on an ext2 file system */
 void print_e2flags(FILE *f, unsigned long flags, unsigned options);
diff --git a/editors/awk.c b/editors/awk.c
index cc17ad438..372a255bd 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -230,7 +230,7 @@ typedef struct tsplitter_s {
  */
 #define TC_LENGTH       (1 << 20)
 #define TC_GETLINE      (1 << 21)
-#define TC_FUNCDECL     (1 << 22)               /* `function' `func' */
+#define TC_FUNCDECL     (1 << 22)               /* 'function' 'func' */
 #define TC_BEGIN        (1 << 23)
 #define TC_END          (1 << 24)
 #define TC_EOF          (1 << 25)
diff --git a/findutils/find.c b/findutils/find.c
index 69baf065d..5857a3f44 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -15,7 +15,7 @@
  * # find file.txt -exec 'echo {}' '{}  {}' ';'
  * find: echo file.txt: No such file or directory
  * # find file.txt -exec 'echo' '{}  {}' '; '
- * find: missing argument to `-exec'
+ * find: missing argument to '-exec'
  * # find file.txt -exec 'echo {}' '{}  {}' ';' junk
  * find: paths must precede expression
  * # find file.txt -exec 'echo {}' '{}  {}' ';' junk ';'
diff --git a/libbb/change_identity.c b/libbb/change_identity.c
index d48d86326..431f72c8c 100644
--- a/libbb/change_identity.c
+++ b/libbb/change_identity.c
@@ -15,7 +15,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
diff --git a/libbb/correct_password.c b/libbb/correct_password.c
index f4635a5bc..51928f68d 100644
--- a/libbb/correct_password.c
+++ b/libbb/correct_password.c
@@ -15,7 +15,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
diff --git a/libbb/dump.c b/libbb/dump.c
index 211a1ed9e..e23b71294 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -828,7 +828,7 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/libbb/progress.c b/libbb/progress.c
index 3c2f01667..64e6529ac 100644
--- a/libbb/progress.c
+++ b/libbb/progress.c
@@ -25,7 +25,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/libbb/pw_encrypt_des.c b/libbb/pw_encrypt_des.c
index c8e02ddff..19a9ab15b 100644
--- a/libbb/pw_encrypt_des.c
+++ b/libbb/pw_encrypt_des.c
@@ -24,7 +24,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
diff --git a/libbb/run_shell.c b/libbb/run_shell.c
index b6b9360e8..3bb58bb6f 100644
--- a/libbb/run_shell.c
+++ b/libbb/run_shell.c
@@ -15,7 +15,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
diff --git a/libbb/setup_environment.c b/libbb/setup_environment.c
index 4258656fe..91b6d94db 100644
--- a/libbb/setup_environment.c
+++ b/libbb/setup_environment.c
@@ -15,7 +15,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
diff --git a/libpwdgrp/uidgid_get.c b/libpwdgrp/uidgid_get.c
index 1199f23f9..283ac78fc 100644
--- a/libpwdgrp/uidgid_get.c
+++ b/libpwdgrp/uidgid_get.c
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index 04ba5636f..0830734ee 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -1,6 +1,6 @@
 /* vi: set sw=4 ts=4: */
 /*
- * adjtimex.c - read, and possibly modify, the Linux kernel `timex' variables.
+ * adjtimex.c - read, and possibly modify, the Linux kernel 'timex' variables.
  *
  * Originally written: October 1997
  * Last hack: March 2001
diff --git a/miscutils/time.c b/miscutils/time.c
index 60fc11f6e..0ecdac1a6 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -127,13 +127,13 @@ static unsigned long ptok(const unsigned pagesize, const unsigned long pages)
 
 /* summarize: Report on the system use of a command.
 
-   Print the FMT argument except that `%' sequences
-   have special meaning, and `\n' and `\t' are translated into
-   newline and tab, respectively, and `\\' is translated into `\'.
+   Print the FMT argument except that '%' sequences
+   have special meaning, and '\n' and '\t' are translated into
+   newline and tab, respectively, and '\\' is translated into '\'.
 
-   The character following a `%' can be:
+   The character following a '%' can be:
    (* means the tcsh time builtin also recognizes it)
-   % == a literal `%'
+   % == a literal '%'
    C == command name and arguments
 *  D == average unshared data size in K (ru_idrss+ru_isrss)
 *  E == elapsed real (wall clock) time in [hour:]min:sec
diff --git a/modutils/modutils-24.c b/modutils/modutils-24.c
index 9ce91351d..1a30dd87c 100644
--- a/modutils/modutils-24.c
+++ b/modutils/modutils-24.c
@@ -2269,8 +2269,8 @@ static int add_symbols_from(struct obj_file *f,
 
 #ifdef SYMBOL_PREFIX
                 /* Prepend SYMBOL_PREFIX to the symbol's name (the
-                   kernel exports `C names', but module object files
-                   reference `linker names').  */
+                   kernel exports 'C names', but module object files
+                   reference 'linker names').  */
                 size_t extra = sizeof SYMBOL_PREFIX;
                 size_t name_size = strlen(name) + extra;
                 if (name_size > name_alloced_size) {
diff --git a/networking/hostname.c b/networking/hostname.c
index 4b305d2b6..7d7c60d18 100644
--- a/networking/hostname.c
+++ b/networking/hostname.c
@@ -114,7 +114,7 @@ static void do_sethostname(char *s, int isfile)
  *  { bbox: not supported }
  * -F, --file filename
  *  Read the host name from the specified file. Comments (lines
- *  starting with a `#') are ignored.
+ *  starting with a '#') are ignored.
  */
 int hostname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hostname_main(int argc UNUSED_PARAM, char **argv)
diff --git a/networking/ping.c b/networking/ping.c
index 506e7b11b..2e8bef023 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -953,7 +953,7 @@ int ping6_main(int argc UNUSED_PARAM, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/networking/traceroute.c b/networking/traceroute.c
index a958a2c6c..d9c62f7f9 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -12,12 +12,12 @@
  * this paragraph in its entirety in the documentation or other materials
  * provided with the distribution, and (3) all advertising materials mentioning
  * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
+ * ''This product includes software developed by the University of California,
  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  * the University nor the names of its contributors may be used to endorse
  * or promote products derived from this software without specific prior
  * written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
diff --git a/runit/chpst.c b/runit/chpst.c
index 3a2f9e616..ccc96539d 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/runit/runit_lib.h b/runit/runit_lib.h
index c36ea4ca5..c54561616 100644
--- a/runit/runit_lib.h
+++ b/runit/runit_lib.h
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/runit/runsv.c b/runit/runsv.c
index ad7d82cb8..a67280b4b 100644
--- a/runit/runsv.c
+++ b/runit/runsv.c
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/runit/runsvdir.c b/runit/runsvdir.c
index b4f5c303b..abba2e8e4 100644
--- a/runit/runsvdir.c
+++ b/runit/runsvdir.c
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/runit/sv.c b/runit/sv.c
index 2d5b466bf..3dd02550a 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/runit/svlogd.c b/runit/svlogd.c
index 8dbf67106..831873d86 100644
--- a/runit/svlogd.c
+++ b/runit/svlogd.c
@@ -13,7 +13,7 @@ modification, are permitted provided that the following conditions are met:
    3. The name of the author may not be used to endorse or promote products
       derived from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
diff --git a/scripts/echo.c b/scripts/echo.c
index cb207ae05..8c6b409d3 100644
--- a/scripts/echo.c
+++ b/scripts/echo.c
@@ -214,7 +214,7 @@ int main(int argc, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/shell/ash.c b/shell/ash.c
index 1deae7c2f..78baa9aac 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13877,7 +13877,7 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/shell/ash_test/printenv.c b/shell/ash_test/printenv.c
index c0c5e197c..c86308d3b 100644
--- a/shell/ash_test/printenv.c
+++ b/shell/ash_test/printenv.c
@@ -56,7 +56,7 @@ main (argc, argv)
       if (**argv == **envp && strncmp (*envp, *argv, len) == 0)
         {
           eval = *envp + len;
-          /* If the environment variable doesn't have an `=', ignore it. */
+          /* If the environment variable doesn't have an '=', ignore it. */
           if (*eval == '=')
             {
               puts (eval + 1);
diff --git a/shell/math.c b/shell/math.c
index 006221b6a..f01f24362 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -743,7 +743,7 @@ arith(arith_state_t *math_state, const char *expr)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/sysklogd/logger.c b/sysklogd/logger.c
index 6769a8175..359ac3acf 100644
--- a/sysklogd/logger.c
+++ b/sysklogd/logger.c
@@ -167,7 +167,7 @@ int logger_main(int argc UNUSED_PARAM, char **argv)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/util-linux/cal.c b/util-linux/cal.c
index 091fdbd2b..10df0ae8b 100644
--- a/util-linux/cal.c
+++ b/util-linux/cal.c
@@ -376,7 +376,7 @@ static char *build_row(char *p, unsigned *dp)
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
diff --git a/util-linux/fdisk_osf.c b/util-linux/fdisk_osf.c
index 89f1f323c..1141b7801 100644
--- a/util-linux/fdisk_osf.c
+++ b/util-linux/fdisk_osf.c
@@ -18,7 +18,7 @@
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE