Revise r8309 to use \- rather than - when trying to emit a literal U+002D;

apparently this is preferred (it's what pod2man uses); cf Debian #496063,
#159872.

git-svn-id: svn://svn.tartarus.org/sgt/halibut@8641 cda61777-01e9-0310-a592-d414129be87e

diff --git a/bk_man.c b/bk_man.c
index 92d7c3a..dce77d4 100644 (file)
--- a/bk_man.c
+++ b/bk_man.c
@@ -490,10 +490,23 @@ static int man_convert(wchar_t const *s, int maxlen,
                /* Turn backslashes into \e. */
                rdaddsc(&out, "\\e");
                continue;
-           } else if (*q == '-' && !(quote_props & QUOTE_LITERAL)) {
-               /* Turn nonbreakable hyphens into \(hy. */
-               rdaddsc(&out, "\\(hy");
-               continue;
+           } else if (*q == '-') {
+               if (quote_props & QUOTE_LITERAL) {
+                   /*
+                    * Try to preserve literal U+002D.
+                    * This is quite awkward. Debian hacks groff so that
+                    * \- and - both produce it; elsewhere it's not necessarily
+                    * possible to get it.
+                    * Apparently \- is the preferred compromise despite
+                    * having minus-sign semantics, as it is non-breaking.
+                    * (pod2man uses it, anyway.)
+                    */
+                   rdaddc(&out, '\\');
+               } else {
+                   /* Turn nonbreakable hyphens into \(hy. */
+                   rdaddsc(&out, "\\(hy");
+                   continue;
+               }
            } else if (*q == '\'' && (quote_props & QUOTE_LITERAL)) {
                /* Try to preserve literal U+0027 (using string defined
                 * in preamble) */