diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 27 |
1 files changed, 26 insertions, 1 deletions
@@ -18677,7 +18677,7 @@ The function tests .meta number for equivalence to zero. The argument must be -a number. It returns +a number or character. It returns .code t for the integer value .code 0 @@ -18686,6 +18686,31 @@ value .codn 0.0 . For other numbers, it returns .codn nil . +It returns +.code t +for the null character +.code #\enul +and +.code nil +for all other characters. + +.coNP Functions @ plusp and @ minusp +.synb +.mets (plusp << number ) +.mets (minusp << number ) +.syne +.desc +These functions test whether a number is positive or negative, +returning +.code t +or +.codn nil , +as the case may be. + +The argument may also be a character. All characters other than +the null character +.code #\enul +are positive. No character is negative. .coNP Functions @ evenp and @ oddp .synb |