doc: drop author/documentation sections from most pages

diff --git a/cache.h b/cache.h
index 08a902210c6374c65f94a1238d895a65c7cde43a..d0bbc9120e33e96ad89a0d520b1da6359086c700 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -560,7 +560,6 @@ extern int assume_unchanged;
 extern int prefer_symlink_refs;
 extern int log_all_ref_updates;
 extern int warn_ambiguous_refs;
-extern int unique_abbrev_extra_length;
 extern int shared_repository;
 extern const char *apply_default_whitespace;
 extern const char *apply_default_ignorewhitespace;