Here a mini example which displays this error on nim-devel :
#cxtimeb.nim
import sequtils
template doit():untyped =
## doit
## return output only
toSeq([1,2,3,4,5])
echo doit()
Run
Output ok :
@[1, 2, 3, 4, 5]
Run
nim doc cxtimeb.nim
/home/lxuser/.cache/nim/cxtimeb_d/runnableExamples/cxtimeb_examples1.nim(15,
12) Error: undeclared identifier: 'toSeq'
[runnableExamples] failed: generated file:
'/home/lxuser/.cache/nim/cxtimeb_d/runnableExamples/cxtimeb_group0_examples.nim'
group: '(rdoccmd: "", docCmd: ""
Run
