fix(markdown): Move Legend caption to children

markdown/org/docs/various/notation/buttons/en.md

@@ -5,8 +5,18 @@ title: Buttons, buttonholes, and snaps
 Buttons and buttonholes may come in different sizes, but always have the same shape that represents 
 how they look in real life:
 
-<Legend part="buttons" caption="A button is shown on the left, and a buttonhole on the right" />
+<Legend part="buttons">
+
+A button is shown on the left, and a buttonhole on the right
+
+</Legend>
+
 
 Snaps have a *stud* and *socket* part, and also look like the real thing:
 
-<Legend part="snaps" caption="A snap stud is shown on the left, and a snap socket on the right" />
+<Legend part="snaps">
+
+A snap stud is shown on the left, and a snap socket on the right
+
+</Legend>
+

markdown/org/docs/various/notation/sa/en.md

@@ -5,8 +5,17 @@ title: Seam allowance
 Seam allowance is indicated by a dashed line, that has the same width and color
 as the seam they belong to:
 
-<Legend part="saLines" caption="Seam allowance for different fabric types" />
+<Legend part="saLines">
+
+Seam allowance for different fabric types
+
+</Legend>
 
 Note that the corners of the seam allowance are trimmed, and not extended:
 
-<Legend part="sa" caption="A trimmed seam allowance corner" />
+<Legend part="sa">
+
+A trimmed seam allowance corner
+
+</Legend>
+

markdown/org/docs/various/notation/strokes/en.md

@@ -7,9 +7,17 @@ They might do that to add additional info, like where to fold a pattern, or the
 
 For reference, here are the different available line widths:
 
-<Legend part="lineWidths" caption="The different line widths" />
+<Legend part="lineWidths">
+
+The different line widths
+
+</Legend>
 
 And these are the different stroke styles:
 
-<Legend part="lineStrokes" caption="The different line strokes" />
+<Legend part="lineStrokes">
+
+The different line strokes
+
+</Legend>