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-rw-r--r--doc/Makefile7
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/Makefile b/doc/Makefile
index 2a8f5cc..adae890 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -2,7 +2,7 @@
 .DELETE_ON_ERROR:
 
 .PHONY: all
-all: breaking_rules.pdf breaking_rules.html
+all: breaking_rules.pdf breaking_rules.html breaking_rules.txt
 
 # Stick with gfm for as long as possible.
 # Use stuff beyond that only where absolutely necessary.
@@ -15,9 +15,12 @@ breaking_rules.pdf: macros.ms breaking_rules.md refs.i
 breaking_rules.html: macros.ms breaking_rules.md refs.i
 	( cat macros.ms; lowdown -sTms breaking_rules.md ) | groff -Txhtml -i -t -R -ms -k -Kutf8 > $@
 
+breaking_rules.txt: macros.ms breaking_rules.md refs.i
+	( cat macros.ms; lowdown -sTms breaking_rules.md ) | env GROFF_NO_SGR=t groff -Tlatin1 -i -t -R -ms -k -Kutf8 -c | ul > $@
+
 refs.i: refs
 	indxbib $^
 
 .PHONY: clean
 clean:
-	$(RM) breaking_rules.pdf breaking_rules.html
+	$(RM) breaking_rules.pdf breaking_rules.html breaking_rules.txt