no_chained_assignments example (#2242)
no_chained_assignments example (#2242)

See this:

```abap
REPORT ZTEST.
DATA v1 TYPE c LENGTH 5.
DATA v2 TYPE c LENGTH 2.
DATA v3 TYPE c LENGTH 5 VALUE 'ABCDE'.

v1 = v2 = v3.
WRITE v1. " AB

v2 = v3.
v1 = v3.
WRITE v1.  " ABCDE
```
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