siehe bitte: https://forum.selfhtml.org/self/2021/feb/04/xslt-1-0-zwei-abfragen-kombinieren/1783595#m1783595
juls_pro_37: XSLT-SUM
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XSLT-SUM

- xml
- xsl
0 Robert B.
0 Rolf B
1 ThomasM0 juls_pro_37
1 ThomasM0 juls_pro_37
1 ThomasM0 juls_pro_37
0 juls_pro_37
0 ThomasM0 juls_pro_37
0 ThomasM
0 juls_pro_37