Review comments

docs/epub-toc-navigation.md

@@ -177,7 +177,7 @@ Only one of (2), (3a), or (3b) writes the cache file `<book-cache>/pagelist.bin`
 
 Written once per book at index time; consumed once per section build. Format:
 
-```
+```text
 [uint16_t entryCount]
 [String href][String anchor][String label]    // repeated entryCount times
 ```

docs/file-formats.md

@@ -264,7 +264,7 @@ if (parsedSize != fileSize) {
 
 Per-book cache file produced at index time from one of the EPUB printed-page sources (NCX `<pageList>`, EPUB 3 nav `<nav epub:type="page-list">`, or EPUB 2.01 `page-map.xml`). Consumed once per section build by `Section::createSectionFile`. Absent for books that have no printed-page data.
 
-```
+```text
 u16 entryCount
 struct PageListEntry {
     String href;    // normalised spine href, e.g. "OEBPS/c9_split_000.xhtml"