version 1.228, 2014/03/31 01:05:32 |
version 1.229, 2014/06/22 17:07:06 |
Line 3139 Manually switching the font using the |
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Line 3139 Manually switching the font using the |
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.Ql \ef |
.Ql \ef |
font escape sequences is never required. |
font escape sequences is never required. |
.Sh COMPATIBILITY |
.Sh COMPATIBILITY |
This section documents compatibility between mandoc and other |
This section provides an incomplete list of compatibility issues |
troff implementations, at this time limited to GNU troff |
between mandoc and other troff implementations, at this time limited |
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to GNU troff |
.Pq Qq groff . |
.Pq Qq groff . |
The term |
The term |
.Qq historic groff |
.Qq historic groff |
Line 3249 certain list types. |
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Line 3250 certain list types. |
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can only be called by other macros, but not at the beginning of a line. |
can only be called by other macros, but not at the beginning of a line. |
.It |
.It |
.Sx \&%C |
.Sx \&%C |
is not implemented. |
is not implemented (up to and including groff-1.22.2). |
.It |
.It |
Historic groff only allows up to eight or nine arguments per macro input |
Historic groff only allows up to eight or nine arguments per macro input |
line, depending on the exact situation. |
line, depending on the exact situation. |
Line 3267 in new groff and mandoc. |
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Line 3268 in new groff and mandoc. |
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.Sq \ef |
.Sq \ef |
.Pq font face |
.Pq font face |
and |
and |
.Sq \ef |
.Sq \eF |
.Pq font family face |
.Pq font family face |
.Sx Text Decoration |
.Sx Text Decoration |
escapes behave irregularly when specified within line-macro scopes. |
escapes behave irregularly when specified within line-macro scopes. |
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.Fl offset Cm right . |
.Fl offset Cm right . |
Groff does not implement centred and flush-right rendering either, |
Groff does not implement centred and flush-right rendering either, |
but produces large indentations. |
but produces large indentations. |
.It |
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The |
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.Sq \eh |
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.Pq horizontal position , |
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.Sq \ev |
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.Pq vertical position , |
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.Sq \em |
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.Pq text colour , |
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.Sq \eM |
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.Pq text filling colour , |
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.Sq \ez |
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.Pq zero-length character , |
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.Sq \ew |
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.Pq string length , |
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.Sq \ek |
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.Pq horizontal position marker , |
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.Sq \eo |
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.Pq text overstrike , |
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and |
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.Sq \es |
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.Pq text size |
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escape sequences are all discarded in mandoc. |
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.It |
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The |
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.Sq \ef |
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scaling unit is accepted by mandoc, but rendered as the default unit. |
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.It |
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In quoted literals, groff allows pairwise double-quotes to produce a |
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standalone double-quote in formatted output. |
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This is not supported by mandoc. |
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.El |
.El |
.Sh SEE ALSO |
.Sh SEE ALSO |
.Xr man 1 , |
.Xr man 1 , |