A wildcard AutoCorrect entry like ".*->.*" copied that character into its replacement text, inserting a second FIELDSTART into the node which crashes FindFieldSep. Extend the delimiter check to the entire 0x01 ... 0x08 char range put in the text (CH_TXTATR_BREAKWORD, CH_TXT_ATR_FIELDSEP, CH_TXT_ATR_INPUTFIELDSTART/END, CH_TXT_ATR_FORMELEMENT, CH_TXT_ATR_FIELDSTART/END). Change-Id: Ib58bb7e3c614977082cd9d23722497f77fe9ca8a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/211447 Reviewed-by: Andreas Heinisch <andreas.heinisch@yahoo.de> Tested-by: Jenkins