Change CODING.md section header format so that display is correct on
GitHub.
# <a name='log-window'>
-#Log Window
+# Log Window
`log_printf()`
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# <a name='git-change-log'>
-#git change-log
+# git change-log
If referencing a Geeqie GitHub issue, include the issue number in the summary line. Start with a short summary in the first line (without a dot at the end) followed by a empty line.
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# <a name='sources'>
-#Sources
+# Sources
Indentation: tabs at 4 spaces
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# <a name='documentation'>
-#Documentation
+# Documentation
Use American, rather than British English, spelling. This will facilitate consistent
text searches. User text may be translated via the en_GB.po file.