regen
diff --git a/man/zip_dir_add.html b/man/zip_dir_add.html
index fb2b0e4..e297326 100644
--- a/man/zip_dir_add.html
+++ b/man/zip_dir_add.html
@@ -77,7 +77,8 @@
     any of:</p>
 <dl class="Bl-tag">
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
-  <dd>Guess encoding of <var class="Ar">name</var> (default).</dd>
+  <dd>Guess encoding of <var class="Ar">name</var> (default). (Only CP-437 and
+      UTF-8 are recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_UTF_8"><code class="Dv" id="ZIP_FL_ENC_UTF_8">ZIP_FL_ENC_UTF_8</code></a></dt>
   <dd>Interpret <var class="Ar">name</var> as UTF-8.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_CP437"><code class="Dv" id="ZIP_FL_ENC_CP437">ZIP_FL_ENC_CP437</code></a></dt>
@@ -125,7 +126,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">April 25, 2020</td>
+    <td class="foot-date">September 20, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_dir_add.man b/man/zip_dir_add.man
index d6a3d5a..4c863fe 100644
--- a/man/zip_dir_add.man
+++ b/man/zip_dir_add.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_DIR_ADD" "3" "April 25, 2020" "NiH" "Library Functions Manual"
+.TH "ZIP_DIR_ADD" "3" "September 20, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -68,6 +68,7 @@
 Guess encoding of
 \fIname\fR
 (default).
+(Only CP-437 and UTF-8 are recognized.)
 .TP 22n
 \fRZIP_FL_ENC_UTF_8\fR
 Interpret
diff --git a/man/zip_file_add.html b/man/zip_file_add.html
index 2078332..a3bd3d8 100644
--- a/man/zip_file_add.html
+++ b/man/zip_file_add.html
@@ -91,7 +91,8 @@
   <dd>Overwrite any existing file of the same name. For
       <code class="Nm">zip_file_add</code> only.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
-  <dd>Guess encoding of <var class="Ar">name</var> (default).</dd>
+  <dd>Guess encoding of <var class="Ar">name</var> (default). (Only CP-437 and
+      UTF-8 are recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_UTF_8"><code class="Dv" id="ZIP_FL_ENC_UTF_8">ZIP_FL_ENC_UTF_8</code></a></dt>
   <dd>Interpret <var class="Ar">name</var> as UTF-8.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_CP437"><code class="Dv" id="ZIP_FL_ENC_CP437">ZIP_FL_ENC_CP437</code></a></dt>
@@ -169,7 +170,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_file_add.man b/man/zip_file_add.man
index 4a59589..4a5f29a 100644
--- a/man/zip_file_add.man
+++ b/man/zip_file_add.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_FILE_ADD" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.TH "ZIP_FILE_ADD" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -88,6 +88,7 @@
 Guess encoding of
 \fIname\fR
 (default).
+(Only CP-437 and UTF-8 are recognized.)
 .TP 22n
 \fRZIP_FL_ENC_UTF_8\fR
 Interpret
diff --git a/man/zip_file_get_comment.html b/man/zip_file_get_comment.html
index 59fdad6..49de8ac 100644
--- a/man/zip_file_get_comment.html
+++ b/man/zip_file_get_comment.html
@@ -86,7 +86,8 @@
   <dd>Return the unmodified comment as it is in the ZIP archive.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
   <dd>(Default.) Guess the encoding of the comment in the ZIP archive and
-      convert it to UTF-8, if necessary.</dd>
+      convert it to UTF-8, if necessary. (Only CP-437 and UTF-8 are
+    recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
   <dd>Follow the ZIP specification for file names and extend it to file
       comments, expecting them to be encoded in CP-437 in the ZIP archive
@@ -134,7 +135,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_file_get_comment.man b/man/zip_file_get_comment.man
index 248f4f6..67506f7 100644
--- a/man/zip_file_get_comment.man
+++ b/man/zip_file_get_comment.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_FILE_GET_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.TH "ZIP_FILE_GET_COMMENT" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -85,6 +85,7 @@
 (Default.)
 Guess the encoding of the comment in the ZIP archive and convert it
 to UTF-8, if necessary.
+(Only CP-437 and UTF-8 are recognized.)
 .TP 21n
 \fRZIP_FL_ENC_STRICT\fR
 Follow the ZIP specification for file names and extend it to file
diff --git a/man/zip_file_rename.html b/man/zip_file_rename.html
index 804e71c..b4f2336 100644
--- a/man/zip_file_rename.html
+++ b/man/zip_file_rename.html
@@ -73,7 +73,8 @@
   <var class="Ar">flags</var> argument can be any of:
 <dl class="Bl-tag">
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
-  <dd>Guess encoding of <var class="Ar">name</var> (default).</dd>
+  <dd>Guess encoding of <var class="Ar">name</var> (default). (Only CP-437 and
+      UTF-8 are recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_UTF_8"><code class="Dv" id="ZIP_FL_ENC_UTF_8">ZIP_FL_ENC_UTF_8</code></a></dt>
   <dd>Interpret <var class="Ar">name</var> as UTF-8.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_CP437"><code class="Dv" id="ZIP_FL_ENC_CP437">ZIP_FL_ENC_CP437</code></a></dt>
@@ -123,7 +124,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_file_rename.man b/man/zip_file_rename.man
index 92a3771..580e518 100644
--- a/man/zip_file_rename.man
+++ b/man/zip_file_rename.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_FILE_RENAME" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.TH "ZIP_FILE_RENAME" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -62,6 +62,7 @@
 Guess encoding of
 \fIname\fR
 (default).
+(Only CP-437 and UTF-8 are recognized.)
 .TP 22n
 \fRZIP_FL_ENC_UTF_8\fR
 Interpret
diff --git a/man/zip_file_set_comment.html b/man/zip_file_set_comment.html
index 844ca04..9ea7604 100644
--- a/man/zip_file_set_comment.html
+++ b/man/zip_file_set_comment.html
@@ -77,7 +77,8 @@
   <var class="Ar">flags</var> argument can be any of:
 <dl class="Bl-tag">
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
-  <dd>Guess encoding of <var class="Ar">comment</var> (default).</dd>
+  <dd>Guess encoding of <var class="Ar">comment</var> (default). (Only CP-437
+      and UTF-8 are recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_UTF_8"><code class="Dv" id="ZIP_FL_ENC_UTF_8">ZIP_FL_ENC_UTF_8</code></a></dt>
   <dd>Interpret <var class="Ar">comment</var> as UTF-8.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_CP437"><code class="Dv" id="ZIP_FL_ENC_CP437">ZIP_FL_ENC_CP437</code></a></dt>
@@ -128,7 +129,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_file_set_comment.man b/man/zip_file_set_comment.man
index b1425ca..0c65168 100644
--- a/man/zip_file_set_comment.man
+++ b/man/zip_file_set_comment.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_FILE_SET_COMMENT" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.TH "ZIP_FILE_SET_COMMENT" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -71,6 +71,7 @@
 Guess encoding of
 \fIcomment\fR
 (default).
+(Only CP-437 and UTF-8 are recognized.)
 .TP 22n
 \fRZIP_FL_ENC_UTF_8\fR
 Interpret
diff --git a/man/zip_get_archive_comment.html b/man/zip_get_archive_comment.html
index b0fb97f..f8d6483 100644
--- a/man/zip_get_archive_comment.html
+++ b/man/zip_get_archive_comment.html
@@ -85,7 +85,8 @@
   <dd>Return the unmodified archive comment as it is in the ZIP archive.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
   <dd>(Default.) Guess the encoding of the archive comment in the ZIP archive
-      and convert it to UTF-8, if necessary.</dd>
+      and convert it to UTF-8, if necessary. (Only CP-437 and UTF-8 are
+      recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
   <dd>Follow the ZIP specification for file names and extend it to the archive
       comment, thus also expecting it in CP-437 encoding. Convert it to
@@ -122,7 +123,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">July 22, 2018</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_get_archive_comment.man b/man/zip_get_archive_comment.man
index 8cdfa30..0c1cfa1 100644
--- a/man/zip_get_archive_comment.man
+++ b/man/zip_get_archive_comment.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_GET_ARCHIVE_COMMENT" "3" "July 22, 2018" "NiH" "Library Functions Manual"
+.TH "ZIP_GET_ARCHIVE_COMMENT" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -83,6 +83,7 @@
 (Default.)
 Guess the encoding of the archive comment in the ZIP archive and convert it
 to UTF-8, if necessary.
+(Only CP-437 and UTF-8 are recognized.)
 .TP 21n
 \fRZIP_FL_ENC_STRICT\fR
 Follow the ZIP specification for file names and extend it to the
diff --git a/man/zip_get_name.html b/man/zip_get_name.html
index e41222f..f0c37db 100644
--- a/man/zip_get_name.html
+++ b/man/zip_get_name.html
@@ -83,7 +83,7 @@
   <dd>Return the unmodified names as it is in the ZIP archive.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
   <dd>(Default.) Guess the encoding of the name in the ZIP archive and convert
-      it to UTF-8, if necessary.</dd>
+      it to UTF-8, if necessary. (Only CP-437 and UTF-8 are recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
   <dd>Follow the ZIP specification and expect CP-437 encoded names in the ZIP
       archive (except if they are explicitly marked as UTF-8). Convert it to
@@ -138,7 +138,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_get_name.man b/man/zip_get_name.man
index a83ca8e..74ec792 100644
--- a/man/zip_get_name.man
+++ b/man/zip_get_name.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_GET_NAME" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.TH "ZIP_GET_NAME" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -79,6 +79,7 @@
 (Default.)
 Guess the encoding of the name in the ZIP archive and convert it
 to UTF-8, if necessary.
+(Only CP-437 and UTF-8 are recognized.)
 .TP 21n
 \fRZIP_FL_ENC_STRICT\fR
 Follow the ZIP specification and expect CP-437 encoded names in
diff --git a/man/zip_name_locate.html b/man/zip_name_locate.html
index f5d38f7..acb69d0 100644
--- a/man/zip_name_locate.html
+++ b/man/zip_name_locate.html
@@ -87,7 +87,8 @@
   <dd>Compare against the unmodified names as it is in the ZIP archive.</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
   <dd>(Default.) Guess the encoding of the name in the ZIP archive and convert
-      it to UTF-8, if necessary, before comparing.</dd>
+      it to UTF-8, if necessary, before comparing. (Only CP-437 and UTF-8 are
+      recognized.)</dd>
   <dt><a class="permalink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
   <dd>Follow the ZIP specification and expect CP-437 encoded names in the ZIP
       archive (except if they are explicitly marked as UTF-8). Convert it to
@@ -140,7 +141,7 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">December 18, 2017</td>
+    <td class="foot-date">September 22, 2020</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/man/zip_name_locate.man b/man/zip_name_locate.man
index c8acfae..1d07565 100644
--- a/man/zip_name_locate.man
+++ b/man/zip_name_locate.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "ZIP_NAME_LOCATE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
+.TH "ZIP_NAME_LOCATE" "3" "September 22, 2020" "NiH" "Library Functions Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -85,6 +85,7 @@
 (Default.)
 Guess the encoding of the name in the ZIP archive and convert it
 to UTF-8, if necessary, before comparing.
+(Only CP-437 and UTF-8 are recognized.)
 .TP 15n
 \fRZIP_FL_ENC_STRICT\fR
 Follow the ZIP specification and expect CP-437 encoded names in