From 73badd57906358fd0c238dc7764ae86c0ae42bdc Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Sun, 26 Feb 2017 19:46:18 +0100
Subject: Allow empty popup hints (highlight only)

---
 js/codeq/hint.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/js/codeq/hint.js b/js/codeq/hint.js
index e77a3dc..0242443 100644
--- a/js/codeq/hint.js
+++ b/js/codeq/hint.js
@@ -180,6 +180,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
 
             typeHandlers = {
                 'static': function (template, hint, box) {
+		    if (!template) return;
                     var content = prepareStaticHintContent(template, hint.indices, hint.id),
                         args = hint ? hint.args : null,
                         hintIndex = 0,
@@ -251,11 +252,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
                     codeq.log.debug('Processing popup hint');
                     var args = hint.args,
                         style = hint.style || '',
-                        mark = addMark(hint.start, hint.end, style), // add the mark
                         langs = codeq.availableLangs,
                         translations = {},
                         lang, i, content, htmlPrefix, instFunc;
 
+		    // highlight given range in the editor
+                    var mark = addMark(hint.start, hint.end, style);
+		    if (!template) return;
+
                     // execute templates for all languages
                     for (i = langs.length - 1; i >= 0; i--) {
                         lang = langs[i];
@@ -337,10 +341,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
                         continue;
                     }
                     hintContent = hintProblemTr[hint.id] || hintCommonTr[hint.id];
-                    if (!hintContent) {
-                        codeq.log.error('Hint without content: ' + hint.id);
-                        continue;
-                    }
 
                     t = typeof hintDef;
                     if (t === 'string') hintType = hintDef; // currently a hint type is a string
-- 
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