[glib] (7 commits) ...Merge branch 'wip/smcv/2452-g-string-0-length-replace' into 'main'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  24b652d... test_string_replace: Make types agree (*)
  c64e6cf... test_string_replace: Make the test table-driven (*)
  7d35e49... test_string_replace: Expand test coverage (*)
  0a8c7e5... g_string_replace: Don't replace empty string more than once (*)
  bf70d58... test_string_replace: Exercise zero-length replacements (*)
  b137778... g_string_replace: Document behaviour of zero-length match p (*)
  fad0a6a... Merge branch 'wip/smcv/2452-g-string-0-length-replace' into

(*) This commit already existed in another branch; no separate mail sent