<listitem>
<para>Returns a point interpolated along a line. First argument
must be a LINESTRING. Second argument is a float8 between 0 and 1
- representing fraction of total <link linkend="ST_Length2d">2d
+ representing fraction of total <link linkend="ST_Length2D">2d
length</link> the point has to be located.</para>
<para>See <link
<listitem>
<para>Returns a float between 0 and 1 representing the location of
the closest point on LineString to the given Point, as a fraction
- of total <link linkend="ST_Length2d">2d line</link> length.</para>
+ of total <link linkend="ST_Length2D">2d line</link> length.</para>
<para>You can use the returned location to extract a Point (<link
linkend="line_interpolate_point">line_interpolate_point</link>) or
<title>Description</title>
<para>Returns the 3-dimensional or 2-dimensional length of the geometry if it is a
- linestring or multi-linestring. For 2-d lines it will just return the 2-d length (same as ST_Length and ST_Length2d)</para>
+ linestring or multi-linestring. For 2-d lines it will just return the 2-d length (same as ST_Length and ST_Length2D)</para>
<!-- Optionally mention 3d support -->
<para><inlinemediaobject>