strip leading/trailing whitespaces from keywords

command: perl -pi -e 's@<item>\s*(\S+)\s*</item>@<item>\1</item>@gi' *.xml

remaining issues:

"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/4dos.xml" line 281 keyword with leading/trailing spaces: " DATE /T "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 2896 keyword with leading/trailing spaces: " Afall, Bfall, Qfall, Qbfall, Tfall, Tbfall "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 2898 keyword with leading/trailing spaces: " Arise, Brise, Qrise, Qbrise, Trise, Tbrise "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 2903 keyword with leading/trailing spaces: " Asim_model Property in Element Statements "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 2987 keyword with leading/trailing spaces: " Requirements for DRACULA II "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 3012 keyword with leading/trailing spaces: " Ioh1, Ioh2 "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 3014 keyword with leading/trailing spaces: " Iol1, Iol2 "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 3068 keyword with leading/trailing spaces: " Spike Model Data "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 3195 keyword with leading/trailing spaces: " Tphz, Tplz, Tpzh, Tpzl "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 3207 keyword with leading/trailing spaces: " Voh1, Voh2 "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/ample.xml" line 3209 keyword with leading/trailing spaces: " Vol1, Vol2 "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/asn1.xml" line 36 keyword with leading/trailing spaces: " OCTET STRING "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/coldfusion.xml" line 199 keyword with leading/trailing spaces: " String formatting "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 29 keyword with leading/trailing spaces: " For Input "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 30 keyword with leading/trailing spaces: " For Output "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 31 keyword with leading/trailing spaces: " For Binary "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 32 keyword with leading/trailing spaces: " For Random "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 132 keyword with leading/trailing spaces: " Byte PTR "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 133 keyword with leading/trailing spaces: " Dword PTR "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 134 keyword with leading/trailing spaces: " Qword PTR "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 135 keyword with leading/trailing spaces: " Word PTR "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 369 keyword with leading/trailing spaces: " OPTION BASE "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/freebasic.xml" line 370 keyword with leading/trailing spaces: " OPTION PRIVATE "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/gnuplot.xml" line 88 keyword with leading/trailing spaces: " data style "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/gnuplot.xml" line 89 keyword with leading/trailing spaces: " function style "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/php.xml" line 2253 keyword with leading/trailing spaces: " date_time_ set "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/progress.xml" line 298 keyword with leading/trailing spaces: " NOT ENTERED "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/progress.xml" line 609 keyword with leading/trailing spaces: " SERVER SOCKET "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/pug.xml" line 28 keyword with leading/trailing spaces: " else if "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/sql-postgresql.xml" line 689 keyword with leading/trailing spaces: " BIT VARYING "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/sql-postgresql.xml" line 696 keyword with leading/trailing spaces: " CHARACTER VARYING "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/sql-postgresql.xml" line 701 keyword with leading/trailing spaces: " DOUBLE PRECISION "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/sql-postgresql.xml" line 727 keyword with leading/trailing spaces: " TIMESTAMP WITH TIMEZONE "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/stata.xml" line 147 keyword with leading/trailing spaces: " clpatt [ern] "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/stata.xml" line 379 keyword with leading/trailing spaces: " gr [een] "
"/home/cullmann/kdesrc/frameworks/syntax-highlighting/data/syntax/stata.xml" line 759 keyword with leading/trailing spaces: " pc prop "