version 1.259, 2022/06/05 13:54:09 |
version 1.264, 2023/04/28 18:55:09 |
Line 342 and may exceed the output width. |
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Line 342 and may exceed the output width. |
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Output produced by |
Output produced by |
.Fl T Cm html |
.Fl T Cm html |
conforms to HTML5 using optional self-closing tags. |
conforms to HTML5 using optional self-closing tags. |
Default styles use only CSS1. |
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Equations rendered from |
Equations rendered from |
.Xr eqn 7 |
.Xr eqn 7 |
blocks use MathML. |
blocks use MathML. |
Line 766 Messages displayed by |
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Line 765 Messages displayed by |
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follow this format: |
follow this format: |
.Bd -ragged -offset indent |
.Bd -ragged -offset indent |
.Nm : |
.Nm : |
.Ar file : Ns Ar line : Ns Ar column : level : message : macro arguments |
.Ar file : Ns Ar line : Ns Ar column : level : message : macro argument ... |
.Pq Ar os |
.Pq Ar os |
.Ed |
.Ed |
.Pp |
.Pp |
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strings are explained below. |
strings are explained below. |
The name of the |
The name of the |
.Ar macro |
.Ar macro |
triggering the message and its |
triggering the message and its arguments are omitted where meaningless. |
.Ar arguments |
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are omitted where meaningless. |
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The |
The |
.Ar os |
.Ar os |
operating system specifier is omitted for messages that are relevant |
operating system specifier is omitted for messages that are relevant |
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.Ic \&Bl , |
.Ic \&Bl , |
.Ic \&D1 , |
.Ic \&D1 , |
.Ic \&Dl , |
.Ic \&Dl , |
.Ic \&MT , |
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.Ic \&RS , |
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or |
or |
.Ic \&UR |
.Ic \&RS |
block contains nothing in its body and will produce no output. |
block contains nothing in its body and will produce no output. |
.It Sy "empty argument, using 0n" |
.It Sy "empty argument, using 0n" |
.Pq mdoc |
.Pq mdoc |
Line 1797 it is hard to predict which tab stop position the tab |
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Line 1792 it is hard to predict which tab stop position the tab |
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.Pq mdoc |
.Pq mdoc |
A new sentence starts in the middle of a text line. |
A new sentence starts in the middle of a text line. |
Start it on a new input line to help formatters produce correct spacing. |
Start it on a new input line to help formatters produce correct spacing. |
.It Sy "invalid escape sequence" |
.It Sy "invalid escape sequence argument" |
.Pq roff |
.Pq roff |
An escape sequence has an invalid opening argument delimiter |
The argument of an escape sequence is of an invalid form. |
or the argument is of an invalid form. |
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Invalid escape sequences are ignored. |
Invalid escape sequences are ignored. |
.It Sy "undefined escape, printing literally" |
.It Sy "undefined escape, printing literally" |
.Pq roff |
.Pq roff |
Line 2314 The escape sequence is ignored. |
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Line 2308 The escape sequence is ignored. |
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The name given in a special character escape sequence is not known to |
The name given in a special character escape sequence is not known to |
.Nm . |
.Nm . |
The escape sequence is ignored. |
The escape sequence is ignored. |
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.It Sy "invalid escape argument delimiter" |
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.Pq roff |
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An escape sequence that expects a numerical argument |
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attempts to employ one of the characters |
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.Qq " %&()*+-./0123456789:<=>" |
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as an argument delimiter. |
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The escape sequence is ignored including the invalid opening delimiter |
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and the rest of the argument may appear as output text. |
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While various characters can be used as argument delimiters, |
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using the apostrophe-quote character |
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.Pq Sq \(aq |
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is recommended for readability and robustness. |
.El |
.El |
.Ss Unsupported features |
.Ss Unsupported features |
.Bl -ohang |
.Bl -ohang |