style(README):Remove tildes from links

diff --git a/README.org b/README.org
index 37be803125a8d78ffb5a2cffb89e2d2593f59c3c..7eb9b1763209595a2d341d77fabd6d53685a4bf0 100644 (file)
--- a/README.org
+++ b/README.org
@@ -13,13 +13,13 @@ See the [[File:REVISION.org][drawing revision history]] for a list of tracked fi
 
 Some drawings may be uploaded to Wikimedia Commons. Notable sets include:
 
-- [[https://commons.wikimedia.org/wiki/File:ISO_10628-2_2012_Symbols.pdf][~BK-2020-04-PID-1~]]: Chemical engineering symbols ([[https://en.wikipedia.org/wiki/ISO_10628][ISO 10628]]-2:2012 Symbols)
-- [[https://commons.wikimedia.org/wiki/File:Technical_drawing_templates_(ISO_5457_1999_Sizes_A0-A4).pdf][~BK-2020-04-TMP-1~]]: Technical drawing templates (ISO 5457:1999 Sizes A0—A4)
+- [[https://commons.wikimedia.org/wiki/File:ISO_10628-2_2012_Symbols.pdf][BK-2020-04-PID-1]]: Chemical engineering symbols ([[https://en.wikipedia.org/wiki/ISO_10628][ISO 10628]]-2:2012 Symbols)
+- [[https://commons.wikimedia.org/wiki/File:Technical_drawing_templates_(ISO_5457_1999_Sizes_A0-A4).pdf][BK-2020-04-TMP-1]]: Technical drawing templates (ISO 5457:1999 Sizes A0—A4)
 
 ** Contents
 *** Directories
 - ~DEL~: Deliverables. A directory that may include plain SVG files
-  and exported PDF files. This is probably what you want.
+  and exported PDF files. **This is probably what you want**.
 - ~DWG~: Drawing source files. A directory that may include [[https://inkscape.org/][Inkscape]]
   SVG files.
 - ~EXEC~: Executable files. A directory that may include scripts
@@ -36,7 +36,7 @@ Some drawings may be uploaded to Wikimedia Commons. Notable sets include:
 ** Usage
 *** Generate a combined PDF
 A script is available at ~./EXEC/combine_pdfs.sh~ to merge multiple
-single-page PDFs into a single PDF file; the script uses the [[https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/][~pdftk~
+single-page PDFs into a single PDF file; the script uses the [[https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/][pdftk
 utility]] available on typical [[https://www.debian.org/][Debian]]-based [[https://en.wikipedia.org/wiki/Gnu-Linux][GNU/Linux]] machines
 of 2023. On a typical Debian 12 system, the following command may be
 used to merge ~input1.pdf~ and ~input2.pdf~ files into ~output.pdf~.