gbranden pushed a commit to branch master
in repository groff.
commit e48b6312c43963baaacba17c21d9081a80e98fcc
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
AuthorDate: Sat Aug 2 07:01:20 2025 -0500
[{eqn,grap,pic}2graph]: Revise comment content.
* contrib/eqn2graph/eqn2graph.sh:
* contrib/grap2graph/grap2graph.sh:
* contrib/pic2graph/pic2graph.sh:
- Credit the late W. Richard Stevens with the method in source code,
not just the man page.
- Drop bloviating remark.
- Replace "open source" terminology with "Free Software", and
explanatory reference thereto.
---
contrib/eqn2graph/eqn2graph.sh | 8 ++++----
contrib/grap2graph/grap2graph.sh | 8 ++++----
contrib/pic2graph/pic2graph.sh | 8 ++++----
3 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/contrib/eqn2graph/eqn2graph.sh b/contrib/eqn2graph/eqn2graph.sh
index d4c2827b1..059ca50b5 100644
--- a/contrib/eqn2graph/eqn2graph.sh
+++ b/contrib/eqn2graph/eqn2graph.sh
@@ -3,8 +3,7 @@
# eqn2graph -- compile EQN equation descriptions to bitmap images
#
# by Eric S. Raymond <e...@thyrsus.com>, July 2002
-#
-# In Unixland, the magic is in knowing what to string together...
+# based on a recipe by W. Richard Stevens
#
# Take an eqn equation on stdin, emit cropped bitmap on stdout. The eqn
# markup should *not* be wrapped in .EQ/.EN, this script will do that.
@@ -16,8 +15,9 @@
# clipping effect on the output, mangling equations that are very wide
# or deep. Besides, this tool can supply its own delimiters.
#
-# Requires the groff suite and the ImageMagick tools. Both are open
-# source. This code is released to the public domain.
+# Requires the groff suite and the ImageMagick tools. Both are Free
+# Software <https://www.gnu.org/philosophy/free-sw.en.html>. This code
+# is released to the public domain.
#
# Here are the assumptions behind the option processing:
#
diff --git a/contrib/grap2graph/grap2graph.sh b/contrib/grap2graph/grap2graph.sh
index 5e4578fe6..f9628f34c 100644
--- a/contrib/grap2graph/grap2graph.sh
+++ b/contrib/grap2graph/grap2graph.sh
@@ -3,8 +3,7 @@
# grap2graph -- compile graph description descriptions to bitmap images
#
# by Eric S. Raymond <e...@thyrsus.com>, May 2003
-#
-# In Unixland, the magic is in knowing what to string together...
+# based on a recipe by W. Richard Stevens
#
# Take grap description on stdin, emit cropped bitmap on stdout. The
# grap markup should *not* be wrapped in .G1/.G2, this script will do
@@ -13,8 +12,9 @@
# format supported by convert(1). All other options are passed to
# convert(1). The default format is PNG.
#
-# Requires the groff suite and the ImageMagick tools. Both are open
-# source. This code is released to the public domain.
+# Requires the groff suite and the ImageMagick tools. Both are Free
+# Software <https://www.gnu.org/philosophy/free-sw.en.html>. This code
+# is released to the public domain.
#
# Here are the assumptions behind the option processing:
#
diff --git a/contrib/pic2graph/pic2graph.sh b/contrib/pic2graph/pic2graph.sh
index c70267ea9..fad024697 100644
--- a/contrib/pic2graph/pic2graph.sh
+++ b/contrib/pic2graph/pic2graph.sh
@@ -3,8 +3,7 @@
# pic2graph -- compile PIC image descriptions to bitmap images
#
# by Eric S. Raymond <e...@thyrsus.com>, July 2002
-#
-# In Unixland, the magic is in knowing what to string together...
+# based on a recipe by W. Richard Stevens
#
# Take a pic/eqn diagram on stdin, emit cropped bitmap on stdout. The
# pic markup should *not* be wrapped in .PS/.PE, this script will do
@@ -14,8 +13,9 @@
# delimiters. All other options are passed to convert(1). The default
# format in PNG.
#
-# Requires the groff suite and the ImageMagick tools. Both are open
-# source. This code is released to the public domain.
+# Requires the groff suite and the ImageMagick tools. Both are Free
+# Software <https://www.gnu.org/philosophy/free-sw.en.html>. This code
+# is released to the public domain.
#
# Here are the assumptions behind the option processing:
#
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