patch 8.0.0104
Problem: Value of 'thesaurus' option not checked properly.
Solution: Add P_NDNAME flag. (Daisuke Suzuki)
diff --git a/src/option.c b/src/option.c
index 5b6dbe3..fae10b6 100644
--- a/src/option.c
+++ b/src/option.c
@@ -2660,7 +2660,7 @@
{"textwidth", "tw", P_NUM|P_VI_DEF|P_VIM|P_RBUF,
(char_u *)&p_tw, PV_TW,
{(char_u *)0L, (char_u *)0L} SCRIPTID_INIT},
- {"thesaurus", "tsr", P_STRING|P_EXPAND|P_VI_DEF|P_ONECOMMA|P_NODUP,
+ {"thesaurus", "tsr", P_STRING|P_EXPAND|P_VI_DEF|P_ONECOMMA|P_NODUP|P_NDNAME,
#ifdef FEAT_INS_EXPAND
(char_u *)&p_tsr, PV_TSR,
#else