Added `brp' request: This is p as a request.

* src/roff/troff/env.cc (environment::do_break): Add parameter
`spread'.
(do_break_request): New function (was `break_request').
(break_request): Calls `do_break_request'.
(break_spread_request): New; calls `do_break_request'.
(init_env_requests): Updated.
* src/roff/troff/env.h: Updated.
* NEWS, src/roff/troff/troff.man, man/groff.man: Document it.

* VERSION: Increased to 1.17.1.


* tmac/an-old.tmac: Fix minor compatibility mode issue.
* tmac/troffrc-end: Make it really work in compatibility mode.

3 files changed, 20 insertions, 5 deletions

diff --git a/src/roff/troff/env.cc b/src/roff/troff/env.cc
index 56f357c9..ca4881c2 100644
--- a/src/roff/troff/env.cc
+++ b/src/roff/troff/env.cc
@@ -2135,7 +2135,7 @@ void environment::add_html_tag_tabs()
   }
 }
 
-void environment::do_break()
+void environment::do_break(int spread)
 {
   if (curdiv == topdiv && topdiv->before_first_page) {
     topdiv->begin_page();
@@ -2146,7 +2146,7 @@ void environment::do_break()
   if (line) {
     line = new space_node(H0, line); // this is so that hyphenation works
     space_total++;
-    possibly_break_line();
+    possibly_break_line(0, spread);
   }
   while (line != 0 && line->discardable()) {
     width_total -= line->width();
@@ -2185,17 +2185,27 @@ int environment::is_empty()
   return !current_tab && line == 0 && pending_lines == 0;
 }
 
-void break_request()
+void do_break_request(int spread)
 {
   while (!tok.newline() && !tok.eof())
     tok.next();
   if (break_flag) {
-    curenv->do_break();
+    curenv->do_break(spread);
     curenv->add_html_tag(".br");
   }
   tok.next();
 }
 
+void break_request()
+{
+  do_break_request(0);
+}
+
+void break_spread_request()
+{
+  do_break_request(1);
+}
+
 void title()
 {
   if (curdiv == topdiv && topdiv->before_first_page) {
@@ -3014,6 +3024,7 @@ void init_env_requests()
   init_request("cc", control_char);
   init_request("c2", no_break_control_char);
   init_request("br", break_request);
+  init_request("brp", break_spread_request);
   init_request("tl", title);
   init_request("ta", set_tabs);
   init_request("linetabs", line_tabs_request);
diff --git a/src/roff/troff/env.h b/src/roff/troff/env.h
index 256db512..89ff0416 100644
--- a/src/roff/troff/env.h
+++ b/src/roff/troff/env.h
@@ -275,7 +275,7 @@ public:
   void interrupt();
   void spread() { spread_flag = 1; }
   void possibly_break_line(int start_here = 0, int forced = 0);
-  void do_break();			// .br
+  void do_break(int spread = 0);	// .br
   void final_break();
   void add_html_tag_eol();
   void add_html_tag(const char *);
diff --git a/src/roff/troff/troff.man b/src/roff/troff/troff.man
index 7fe052b4..86d5ba40 100644
--- a/src/roff/troff/troff.man
+++ b/src/roff/troff/troff.man
@@ -810,6 +810,10 @@ Be sure not to confuse this with the
 .B br
 request.
 .TP
+.B .brp
+This is the same as
+.BR \ep .
+.TP
 .BI .cflags\  n\ c1\ c2\|.\|.\|.
 Characters
 .IR c1 ,