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docs: copy click-to-enlarge images, not just displayed ones #4106

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docs: copy click-to-enlarge images, not just displayed ones #4106

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6 changes: 5 additions & 1 deletion docs/src/Submakefile
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Original file line number Diff line number Diff line change
Expand Up @@ -944,13 +944,17 @@ $(foreach L,$(LANGUAGES),$(eval $(call HTML_COPY_RULE,$(L))))
# $(DOC_OUT_HTML)/<lang>/<topic>/X.html. The source images are in
# $(DOC_SRCDIR)/<topic>/ regardless of language (translations are
# image-symlinked to English originals via the sed below).
#
# src="..." covers displayed images; href="...png" covers click-to-enlarge
# targets from image:thumb[link=...] (which would otherwise 404). The
# extension filter keeps page/anchor hrefs out.
.html-images-stamp: $(DOC_TARGETS_HTML)
set -e; for HTML_FILE in $^; do \
HTML_REL=$$(echo $$HTML_FILE | sed 's%^$(DOC_OUT_HTML)/%%'); \
LANG=$$(echo $$HTML_REL | cut -d/ -f1); \
REST=$$(echo $$HTML_REL | cut -d/ -f2-); \
HTML_DIR=$$(dirname $$REST | cut -d/ -f1); \
for IMAGE_FILE in $$(grep -oE 'src="[^"]+"' $$HTML_FILE | sed 's/src="//;s/"$$//' | grep -vE '^https?:|^data:|^/'); do \
for IMAGE_FILE in $$(grep -oE '(src|href)="[^"]+"' $$HTML_FILE | sed -E 's/^(src|href)="//;s/"$$//' | grep -vE '^https?:|^data:|^/' | grep -iE '\.(png|jpe?g|gif|svg|webp)$$'); do \
IMAGE_DIR=$$(dirname $$IMAGE_FILE); \
IMAGE_PATH=$(DOC_SRCDIR)/$$HTML_DIR/$$IMAGE_FILE; \
mkdir -p $(DOC_OUT_HTML)/$$LANG/$$HTML_DIR/$$IMAGE_DIR; \
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