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revise docs slightly

This commit is contained in:
John Cupitt 2018-02-14 14:52:50 +00:00
parent 8753cdfc61
commit e7a0d98364
1 changed files with 6 additions and 7 deletions
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13
doc/using-command-line.xml
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@ -44,7 +44,7 @@ where:
</programlisting>
There's a straightforward relationship with the C API: compare this to
the API docs for vips_rot(), for example.
the API docs for vips_rot().
</para>
</refsect3>
@ -83,7 +83,7 @@ VipsOperation (operation), operations
<title>Optional arguments</title>
<para>
Many operations take optional arguments. You can supply these as
command-line options, for example:
command-line options. For example:
<programlisting>
$ vips gamma
@ -120,10 +120,9 @@ $ vips gamma k2.jpg x.jpg --exponent 0.42
<refsect3 id="using-command-line-array">
<title>Array arguments</title>
<para>
Some operations take arrays of values as arguments, for example,
Some operations take arrays of values as arguments. For example,
vips_affine() needs an array of four numbers for the
2x2 transform matrix. You pass arrays as space-separated lists, for
example:
2x2 transform matrix. You pass arrays as space-separated lists:
<programlisting>
$ vips affine k2.jpg x.jpg "2 0 0 1"
@ -151,7 +150,7 @@ $ vips bandjoin "k2.jpg k4.jpg" x.tif
$ vips -l foreign
</programlisting>
Then get a list of the options a format supports with, for example:
Then get a list of the options a format supports with:
<programlisting>
$ vips jpegsave
@ -160,7 +159,7 @@ $ vips jpegsave
<para>
You can pass options to the implicit load and save operations enclosed
in square brackets after the filename. For example:
in square brackets after the filename:
<programlisting>
vips affine k2.jpg x.jpg[Q=90,strip] "2 0 0 1"