+/**
+ * imagealign_InlineUp:
+ *
+ * The image appears at the current point in the text, sticking up. That is, the
+ * bottom edge of the image is aligned with the baseline of the line of text.
+ */
+
+/**
+ * imagealign_InlineDown:
+ *
+ * The image appears at the current point, and the top edge is aligned with the
+ * top of the line of text.
+ */
+
+/**
+ * imagealign_InlineCenter:
+ *
+ * The image appears at the current point, and it is centered between the top
+ * and baseline of the line of text. If the image is taller than the line of
+ * text, it will stick up and down equally.
+ */
+
+/**
+ * imagealign_MarginLeft:
+ *
+ * The image appears in the left margin. Subsequent text will be displayed to
+ * the right of the image, and will flow around it — that is, it will be
+ * left-indented for as many lines as it takes to pass the image.
+ *
+ * <warning><para>Margin images are not implemented yet.</para></warning>
+ */
+
+/**
+ * imagealign_MarginRight:
+ *
+ * The image appears in the right margin, and subsequent text will flow around
+ * it on the left.
+ *
+ * <warning><para>Margin images are not implemented yet.</para></warning>
+ */
+
+/**
+ * glkdate_t:
+ * @year: The full (four-digit) year
+ * @month: The month number, ranging from 1-12, 1 is January
+ * @day: The day of the month, ranging from 1-31
+ * @weekday: The day of the week, ranging from 0-6, 0 is Sunday
+ * @hour: The hour of the day, ranging from 0-23
+ * @minute: The minute of the hour, ranging from 0-59
+ * @second: The second of the minute, ranging from 0-59; may be 60 during a leap
+ * second
+ * @microsec: The fraction of the second in microseconds, ranging from 0-999999
+ *
+ * This structure represents a human-readable date in a specific timezone.
+ */
+
+/**
+ * glktimeval_t:
+ * @high_sec: The most significant 32 bits of the timestamp in seconds.
+ * @low_sec: The least significant 32 bits of the timestamp in seconds.
+ * @microsec: The fraction of the timestamp, in microseconds, ranging from
+ * 0-999999.
+ *
+ * This structure represents the Unix timestamp, i.e. the number of seconds
+ * since January 1, 1970.
+ */
+