liquid_feedback_frontend: env/util/trim.lua annotate

liquid_feedback_frontend

Revisit fix in commit 221:7db22d3e9eea that prevented voting results to be sorted by delegations

author	Ingo Bormuth <mail@ibormuth.de>
date	Mon Dec 19 01:53:17 2011 +0100 (2011-12-19)
parents	de8602f8d9bb
children

rev	line source
bsw/jbe@6	1 function util.trim(string)
mail@236	2 if string == nil then
mail@236	3 return string
mail@236	4 end
bsw@9	5 return (string:gsub("^%s", ""):gsub("%s$", ""):gsub("%s+", " "))
mail@236	6 end