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docs: 0.2.6.3 — what was measured, the manual, and Sunday's checks

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Why black and white is made with Ghostscript and how close it is to what
Elmer prints; why Print image goes through the engine's copy image, with
the table of what each other way failed on; what it cannot reach (a CSS
background picture) and what it costs (the clipboard lives in Wonder Ink
afterwards). The manual says Print page and Print image, and that the
preview turns grey. Sunday's paper checks for both, in testing.md.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
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ekklesia
2026-09-26 16:34:38 -05:00
co-authored by Claude Opus 5.5
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@@ -32,18 +32,28 @@ The size applies to every tab and is remembered next time.
## Printing
Press **Ctrl** and **P**, click **Print** at the top right, or right-click
and choose **Print…**. You will see the pages exactly as they will print.
and choose **Print page…**. You will see the pages exactly as they will
print.
* Choose **Only some pages** to print, for example, `2` or `1-3`.
* Set **Copies** for the number of children.
* Choose **Black and white** to save color ink.
* Choose **Black and white** to save color ink. The preview turns grey,
so you see what will come out; choose **Color** to go back.
**Printing a picture.** When the tab is a picture on its own, the
preview also shows **Picture**: choose its **Size** (for example 50%),
click one of the nine **Position** squares to put it in a corner or the
middle, and choose **Paper** upright or sideways. The preview changes as
you choose, and shows exactly what will print. **Fill the whole page**
makes it cover the paper but cuts off the edges.
**Printing a picture from the lesson.** Right-click the picture and
choose **Print image…**. Only that picture prints, not the page around
it. This works for pictures you cannot open by themselves.
In the preview for a picture, also under **Picture**: choose its
**Size** (for example 50%), click one of the nine **Position** squares to
put it in a corner or the middle, and choose **Paper** upright or
sideways. The preview changes as you choose, and shows exactly what will
print. **Fill the whole page** makes it cover the paper but cuts off the
edges. A picture that is open in a tab by itself prints the same way.
If Wonder Ink says a picture *could not be taken from the page*, it had
not finished loading: close the preview and try again, or choose **Print
page…** to print the whole page instead.
Click **Print**. Wonder Ink says when the printer has it and goes back to
the lesson. **Cancel** prints nothing.