"invalid Boolean argument",
"argument contains two font escapes",
"unknown font, skipping request",
+ "ignoring distance argument",
"odd number of characters in request",
/* related to plain text */
"blank line in fill mode, using .sp",
"tab in filled text",
"new sentence, new line",
- "invalid escape sequence",
+ "invalid escape sequence argument",
"undefined escape, printing literally",
"undefined string, using \"\"",
"missing list type, using -item",
"argument is not numeric, using 1",
"argument is not a character",
+ "skipping unusable escape sequence",
"missing manual name, using \"\"",
"uname(3) system call failed, using UNKNOWN",
"unknown standard specifier",
"skipping excess arguments",
"divide by zero",
+ /* related to escape sequences */
+ "incomplete escape sequence",
+ "invalid special character",
+ "unknown special character",
+ "invalid escape argument delimiter",
+
"unsupported feature",
"input too large",
"unsupported control character",