User menu: pattern matching acts not as expected

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<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span =
style=3D"background-color: rgb(255, 255, 255);">Hello&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"background-color: rgb(255, 255, 255);">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">I'm n=
ot really sure if it's mc problem=2E</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">Tryin=
g to match files with spaces in name=2E This fails with foreign chars=2E=2E=
=2Ebut strange=2E=2E=2Ejust in mc=2E</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">I'm u=
sing:</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">$ mc -V</span><br><span sty=
le=3D"font-family: 'courier new', courier;">GNU Midnight Commander 4=2E8=2E=
22</span><br><span style=3D"font-family: 'courier new', courier;">Kompilier=
t mit GLib 2=2E58=2E2</span><br><span style=3D"font-family: 'courier new', =
courier;">Benutze die S-Lang Bibliothek mit der terminfo-Datenbank</span><b=
r><span style=3D"font-family: 'courier new', courier;">Mit eingebautem Edit=
or</span><br><span style=3D"font-family: 'courier new', courier;">Mit optio=
naler Subshell-Unterst=C3=BCtzung als Standard</span><br><span style=3D"fon=
t-family: 'courier new', courier;">Mit Unterst=C3=BCtzung f=C3=BCr Hintergr=
undt=C3=A4tigkeiten</span><br><span style=3D"font-family: 'courier new', co=
urier;">Mit Maus-Unterst=C3=BCtzung im xterm und der Linux-Konsole</span><b=
r><span style=3D"font-family: 'courier new', courier;">Mit Unterst=C3=BCtzu=
ng f=C3=BCr X11-Ereignisse</span><br><span style=3D"font-family: 'courier n=
ew', courier;">Mit Internationalisierungs-Unterst=C3=BCtzung</span><br><spa=
n style=3D"font-family: 'courier new', courier;">Mit mehrfach Codepage-Unte=
rst=C3=BCtzung</span><br><span style=3D"font-family: 'courier new', courier=
;">Virtuelles Dateisystem: cpiofs, tarfs, sfs, extfs, ext2undelfs, ftpfs, s=
ftpfs, fish</span><br><span style=3D"font-family: 'courier new', courier;">=
Datentyp: char: 8; int: 32; long: 64; void *: 64; size_t: 64; off_t: 64;</s=
pan></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp; Operating System: De=
bian GNU/Linux 10 (buster)</span><br><span style=3D"font-family: 'courier n=
ew', courier;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Kernel: Linux 4=2E=
19=2E0-27-amd64</span><br><span style=3D"font-family: 'courier new', courie=
r;">&nbsp; &nbsp; &nbsp; Architecture: x86-64</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">$ locale</span><br><span st=
yle=3D"font-family: 'courier new', courier;">LANG=3Dde_DE=2EUTF-8</span><br=
><span style=3D"font-family: 'courier new', courier;">LANGUAGE=3D</span><br=
><span style=3D"font-family: 'courier new', courier;">LC_CTYPE=3D"de_DE=2EU=
TF-8"</span><br><span style=3D"font-family: 'courier new', courier;">LC_NUM=
ERIC=3D"de_DE=2EUTF-8"</span><br><span style=3D"font-family: 'courier new',=
 courier;">LC_TIME=3D"de_DE=2EUTF-8"</span><br><span style=3D"font-family: =
'courier new', courier;">LC_COLLATE=3D"de_DE=2EUTF-8"</span><br><span style=
=3D"font-family: 'courier new', courier;">LC_MONETARY=3D"de_DE=2EUTF-8"</sp=
an><br><span style=3D"font-family: 'courier new', courier;">LC_MESSAGES=3D"=
de_DE=2EUTF-8"</span><br><span style=3D"font-family: 'courier new', courier=
;">LC_PAPER=3D"de_DE=2EUTF-8"</span><br><span style=3D"font-family: 'courie=
r new', courier;">LC_NAME=3D"de_DE=2EUTF-8"</span><br><span style=3D"font-f=
amily: 'courier new', courier;">LC_ADDRESS=3D"de_DE=2EUTF-8"</span><br><spa=
n style=3D"font-family: 'courier new', courier;">LC_TELEPHONE=3D"de_DE=2EUT=
F-8"</span><br><span style=3D"font-family: 'courier new', courier;">LC_MEAS=
UREMENT=3D"de_DE=2EUTF-8"</span><br><span style=3D"font-family: 'courier ne=
w', courier;">LC_IDENTIFICATION=3D"de_DE=2EUTF-8"</span><br><span style=3D"=
font-family: 'courier new', courier;">LC_ALL=3D</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><br>H=
ere my mc user menu:<br>################################<br><span style=3D"=
font-family: 'courier new', courier;">shell_patterns=3D0</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">+? f [[:space:]] &amp; t r<=
/span><br><span style=3D"font-family: 'courier new', courier;">R Rename - R=
eplace " " in Name</span><br><span style=3D"font-family: 'courier new', cou=
rier;">&nbsp; &nbsp; &nbsp; &nbsp; rename 's/ /\=2E/g' %f -v</span><br>####=
############################</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">case =
1:<br>filename=3D'file_without_spaces'<br>debug=3DFalsch: f [[:space:]]<br>=
result=3Dworks as expected</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">case =
2:<br>filename=3D'file with spaces'<br>debug=3DWahr: f [[:space:]]<br>resul=
t=3Dworks as expected</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">case =
3:<br>filename=3D'file_without_spaces_utf8_local_chars_=C3=A4_=C3=BC_=C3=B6=
_=C3=9F_'<br>debug=3DFalsch: f [[:space:]]<br>result=3Dworks as expected</d=
iv>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">case =
4:<br>filename=3D'file_without_spaces_utf8_nonlocal_chars_=C3=A0_=C3=A1_'<b=
r>debug=3DWahr: f [[:space:]]<br>result=3Dworks NOT as expected (WRONG)</di=
v>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">On th=
e otherside on the bash level everything works as expected:</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">$ var=3D'file_without_space=
s'</span><br><span style=3D"font-family: 'courier new', courier;">$ [[ $var=
 =3D~ [[:space:]] ]] &amp;&amp; echo "var has spaces" || echo "var has NO s=
paces"</span><br><span style=3D"font-family: 'courier new', courier;">var h=
as NO spaces</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">$ var=3D'file with spaces'<=
/span><br><span style=3D"font-family: 'courier new', courier;">$ [[ $var =
=3D~ [[:space:]] ]] &amp;&amp; echo "var has spaces" || echo "var has NO sp=
aces"</span><br><span style=3D"font-family: 'courier new', courier;">var ha=
s spaces</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">$ var=3D'file_without_space=
s_utf8_local_chars_=C3=A4_=C3=BC_=C3=B6_=C3=9F_'</span><br><span style=3D"f=
ont-family: 'courier new', courier;">$ [[ $var =3D~ [[:space:]] ]] &amp;&am=
p; echo "var has spaces" || echo "var has NO spaces"</span><br><span style=
=3D"font-family: 'courier new', courier;">var has NO spaces</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">$ var=3D'file_without_space=
s_utf8_nonlocal_chars_=C3=A0_=C3=A1_'</span><br><span style=3D"font-family:=
 'courier new', courier;">$ [[ $var =3D~ [[:space:]] ]] &amp;&amp; echo "va=
r has spaces" || echo "var has NO spaces"</span><br><span style=3D"font-fam=
ily: 'courier new', courier;">var has NO spaces</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">Using=
 the pattern "\s" as replacement for "[[:space:]]": the same problems=2E</d=
iv>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><br>M=
uch more in mc user menu setting the match pattern as :</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">+? f =C3=A0 &amp; t r</span=
></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;"><span=
 style=3D"font-family: 'courier new', courier;">&nbsp;</span></div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">filen=
ame=3D'file_without_spaces_utf8_nonlocal_chars_=C3=A0_=C3=A1_'<br>debug=3DW=
ahr: f =C3=A0<br>result=3Dworks as expected</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">&nbsp=
;</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">Any h=
int? Thank You in advance</div>
<div style=3D"font-family: 'verdana'; font-size: 12px; color: #000;">Eugen=
</div>
</div>

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