[Quilt-dev] [patch 25/26] Make file tree diagram portable.

[g . branden . robinson]

Use the groff extension .schar to provide an alternative output sequence
for output devices missing the Unicode box-drawing characters.

Index: quilt/doc/quilt.1.in
===================================================================
--- quilt.orig/doc/quilt.1.in
+++ quilt/doc/quilt.1.in
@@ -229,23 +229,30 @@ pager;
 the default is \\[lq]\\-FRSX\\[rq].
 .SH FILES
 .SS "Example of working tree"
+.\\" Many roff output devices do not have font support for Unicode's
+.\\" box-drawing characters (U+2500 to U+257F).
+.schar \\[u2500] \\-
+.schar \\[u2502] |
+.schar \\[u2514] +
+.schar \\[u251C] +
 .EX
 project\\-1.2.3/
-├── patches/
-│    ├── series         (list of patches to apply)
-│    ├── patch1.diff    (one particular patch)
-│    ├── patch2.diff
-│    └── ...
-├── .pc/
-│    ├── .quilt_patches (content of QUILT_PATCHES)
-│    ├── .quilt_series  (content of QUILT_SERIES)
-│    ├── patch1.diff/   (copy of patched files)
-│    │    └── ...
-│    ├── patch2.diff/
-│    │    └── ...
-│    └── ...
-└── ...
+\\[u251C]\\[u2500]\\[u2500] patches/
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] series         (list of patches to 
apply)
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] patch1.diff    (one particular patch)
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] patch2.diff
+\\[u2502]    \\[u2514]\\[u2500]\\[u2500] ...
+\\[u251C]\\[u2500]\\[u2500] .pc/
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] .quilt_patches (content of 
QUILT_PATCHES)
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] .quilt_series  (content of 
QUILT_SERIES)
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] patch1.diff/   (copy of patched files)
+\\[u2502]    \\[u2502]    \\[u2514]\\[u2500]\\[u2500] ...
+\\[u2502]    \\[u251C]\\[u2500]\\[u2500] patch2.diff/
+\\[u2502]    \\[u2502]    \\[u2514]\\[u2500]\\[u2500] ...
+\\[u2502]    \\[u2514]\\[u2500]\\[u2500] ...
+\\[u2514]\\[u2500]\\[u2500] ...
 .EE
+.fi
 .PP
 The
 .I patches