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ESC-B(1) General Commands Manual ESC-B(1)
NNAAMMEE
eesscc--BB - the roff escape B sequence: validate numerical expression
DDEESSCCRRIIPPTTIIOONN
empty: 0
digit: 1
no number: 0
trailing garbage: 0
trailing operator: 0
infix operator: 1
infix and trailing operator: 0
chain of operations: 1
trailing para: 0
unclosed para: 0
empty pair of parentheses: 0
parentheses containing number: 1
complex expression: 1
other delimiter: 1
AArrgguummeenntt ddeelliimmiitteerrss
unsupported \!: 1u
unsupported \r: 042u
ignored \%: 1u
ignored \&: 1u
ignored \): 1u
ignored \,: 042u
ignored \/: 1u
ignored \^: 042u
ignored \a: 042u
ignored \d: 042u
ignored \t: 042u
ignored \u: 042u
ignored \{: 1u
ignored \|: 042u
ignored \}: 1u
useless \.: 042.u
invalid \G: 1u
special \ : 042 u
special \': 1u
special \-: 1u
special \0: 042 u
special \:: 1u
special \_: 1u
special \`: 1u
special \e: 1u
special \~: 042 u
break \p: 1u
nospace \c: 1u
string expansion: 1u
register expansion: 03u
ignored \O: 042u
ignored \Y: 042u
ignored \k: 1u
special character: 1u
ignored \D: 042u
ignored \L: 042u
ignored \X: 042u
ignored \Z: 042u
ignored \b: 042u
ignored \v: 042u
ignored \x: 042u
horizontal motion: 042 u
horizontal line: 042__u
overstrike: 042cdu
OpenBSD June 8, 2022 OpenBSD
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