[me]: Add `wa` and `wc` strings.

* tmac/e.tmac: Ease localization and customization by exposing strings
  for "Chapter" and "Appendix" instead of hard-coding these words into
  the `$c` macro.

  (initialization): Define new `wa` and `wc` strings.  Separate these
  and existing localization strings from `y2` and `y4` initialization
  since the latter don't involve natural languages.

  ($c): Interpolate these strings in chapter and appendix headings and
  in calls to `$C` hook macro.  Set "Chapter" and "Appendix" in mixed
  case instead of full capitals, and set one adjustable nonbreaking word
  space `\~` between them and the chapter number instead of two
  unadjustable nonbreaking spaces.  (These changes do slightly alter the
  default output of the package when the `+c` macro is used.)

* doc/meref.me.in (Predefined Strings):
* tmac/groff_me.7.man (Strings): Document new strings.

* doc/meintro.me.in (Parts of the Basic Paper): Update example
  to reflect mixed-case default string.

Fixes <https://savannah.gnu.org/bugs/?61661>.

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/meintro.me.in b/doc/meintro.me.in
index 10af45a84..a71b1a499 100644
--- a/doc/meintro.me.in
+++ b/doc/meintro.me.in
@@ -1588,7 +1588,7 @@ which will produce,
 on a new page,
 the lines
 .(b C
-CHAPTER 5
+Chapter 5
 CONCLUSIONS
 .)b
 with appropriate spacing for a thesis.