Yes
<core:if test="${result_task.rowCount gt 0}">
posted by nagve01
helped me.
<core:if test="${v_number_of_projects > 0}">
works but
<core:if test="${v_number_of_projects < 1}">
does not and gives
ERRORBPM-0703: Custom script syntax error at line 32, column 40: The value of attribute "test" associated with an element type "core:if" must not contain the '<' character.
while
<core:if test="${v_number_of_projects} lt 0}">
does.
For some reason
<
did not work either in that place. Did not try that in a query.
The Basic guide says
In Jelly <sql:query> tag the "<" or ">" operators are not allowed. So this is an issue with Jelly and not with Gel Script.
RESOLUTION:
============
Use "between" in the WHERE clause instead of '<' or '>'.
which would work in a query, but I do not know if that would work in <core:if