diff options
| -rw-r--r-- | crawl-ref/source/mapdef.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/crawl-ref/source/mapdef.cc b/crawl-ref/source/mapdef.cc index dc3e9bf384..a8044f1952 100644 --- a/crawl-ref/source/mapdef.cc +++ b/crawl-ref/source/mapdef.cc @@ -112,8 +112,13 @@ static std::string split_key_item(const std::string &s, std::string substitute = trimmed_string(s.substr(sep + 1)); if (what_to_subst.length() != 1) - return make_stringf("selector '%s' must be exactly one character", - what_to_subst.c_str()); + return make_stringf( + "selector '%s' must be exactly one character in '%s'", + what_to_subst.c_str(), s.c_str()); + + if (substitute.empty()) + return make_stringf("no substitute defined in '%s'", + s.c_str()); *key = what_to_subst[0]; *arg = substitute; |