# [ref_impl_eiffel] [1397] When displaying line numbers on the ADL tab, append a tab character after each line number rather than padding out with spaces . **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2011-01-12 02:01 UTC **Views:** 1 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-1397-when-displaying-line-numbers-on-the-adl-tab-append-a-tab-character-after-each-line-number-rather-than-padding-out-with-spaces/13955 --- ## Post #1 by @svn1 Revision: 1397 Author: peter\.gummer Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-1397-when-displaying-line-numbers-on-the-adl-tab-append-a-tab-character-after-each-line-number-rather-than-padding-out-with-spaces/13955 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-1397-when-displaying-line-numbers-on-the-adl-tab-append-a-tab-character-after-each-line-number-rather-than-padding-out-with-spaces/13955