Move shared XSL-FO extension properties → Styles

Signed-off-by: Roger Sheen <[email protected]>

Author: infotexture

resources/theme/Block-styles.md

@@ -269,11 +269,5 @@ TOC entry in main TOC. `<n>` is a number ranging from 1 to 6, representing each
 
 Unordered list.
 
-## XSL-FO extension properties
-
-Themes support XSL-FO extension properties implemented by XSL formatters:
-
-- `background-size: [ <length> | <percentage> | auto ]{1,2}` — Size of background image.
-
 [XSL fo:block]: https://www.w3.org/TR/xsl11/#fo_block
-[XSL extensions]: #xsl-fo-extension-properties
+[XSL extensions]: ./Styles.md#xsl-fo-extension-properties

resources/theme/Inline-styles.md

@@ -220,11 +220,5 @@ XML namespace name element.
 
 XML processing instruction element.
 
-## XSL-FO extension properties
-
-Themes support XSL-FO extension properties implemented by XSL formatters:
-
-- `background-size: [ <length> | <percentage> | auto ]{1,2}` — Size of background image.
-
 [XSL fo:inline]: https://www.w3.org/TR/xsl11/#fo_inline
-[XSL extensions]: #xsl-fo-extension-properties
+[XSL extensions]: ./Styles.md#xsl-fo-extension-properties

resources/theme/Styles.md

@@ -23,4 +23,10 @@ style:
     text-decoration: underline
 ```
 
+## XSL-FO extension properties
+
+In addition to the block and inline styles, themes support XSL-FO extension properties implemented by XSL formatters:
+
+- `background-size: [ <length> | <percentage> | auto ]{1,2}` — Size of background image.
+
 [refine-margin-space-indent]: https://www.w3.org/TR/xsl11/#refine-margin-space-indent