diff options
| -rw-r--r-- | usr.bin/bc/USD.doc/bc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/usr.bin/bc/USD.doc/bc b/usr.bin/bc/USD.doc/bc index 30dcdca7901..d18b899374c 100644 --- a/usr.bin/bc/USD.doc/bc +++ b/usr.bin/bc/USD.doc/bc @@ -1,4 +1,4 @@ -.\" $OpenBSD: bc,v 1.6 2003/11/11 09:21:48 otto Exp $ +.\" $OpenBSD: bc,v 1.7 2003/11/11 21:06:28 otto Exp $ .\" .\" Copyright (C) Caldera International Inc. 2001-2002. .\" All rights reserved. @@ -663,6 +663,9 @@ Three Important Things .PP 2. There is a comment convention identical to that of C and of PL/I. Comments begin with `/*' and end with `*/'. +As a non-portable extension, comments may also start with a `#' and end with +a newline. +The newline is not part of the comment. .PP 3. There is a library of math functions which may be obtained by typing at command level @@ -752,6 +755,9 @@ Comments .PP Comments are introduced by the characters /* and terminated by */. +As a non-portable extension, comments may also start with a # and +end with a newline. +The newline is not part of the comment. .NH 2 Identifiers .PP @@ -1166,6 +1172,8 @@ The \fBdefine\fR statement defines a function. The parameters may be ordinary identifiers or array names. Array names must be followed by empty square brackets. +As a non-portable extension, the opening brace may also appear on the +next line. .NH 2 Return statements .sp .5 @@ -1179,6 +1187,9 @@ specifies the result of the function. The first form is equivalent to \fBreturn(0)\fR. The result of the function is the result of the expression in parentheses. +Leaving out the expression between parentheses is equivalent to +\fBreturn(0)\fR. +As a non-portable extension, the parentheses may be left out. .NH 2 Print .PP |