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	add -l option to set lazyload hint for images that have dimensions - smu - smu …
	git clone git://git.codemadness.org/smu
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	---
	commit bcfa37c77dc9519b54e05813b1f73dbbf0f0b4c9
	parent fbc3d2b11f52754309998077a50a757278671759
	Author: Hiltjo Posthuma <[email protected]>
	Date: Tue, 11 May 2021 17:30:03 +0200

	add -l option to set lazyload hint for images that have dimensions

	Diffstat:
	M smu.1 \| 3 +++
	M smu.c \| 8 ++++++--

	2 files changed, 9 insertions(+), 2 deletions(-)
	---
	diff --git a/smu.1 b/smu.1
	@@ -7,6 +7,7 @@
	.Sh SYNOPSIS
	.Nm
	.Op Fl h
	+.Op Fl l
	.Op Fl n
	.Op Fl v
	.Sh DESCRIPTION
	@@ -16,6 +17,8 @@ The options are as follows:
	.Bl -tag -width Ds
	.It Fl h
	prints usage information to stderr, then exits.
	+.It Fl l
	+set loading="lazy" hint attribute for images if it has a width and a height.
	.It Fl n
	escapes all HTML tags.
	.It Fl v
	diff --git a/smu.c b/smu.c
	@@ -41,7 +41,7 @@ static void process(const char begin, const char end, int i…
	static Parser parsers[] = { dounderline, docomment, dolineprefix,
	dolist, doparagraph, dogtlt, dosurround, dolink,
	doshortlink, dohtml, doamp, doreplace };
	-static int nohtml = 0;
	+static int lazyimg = 0, nohtml = 0;

	static Tag lineprefix[] = {
	{ " ", 0, "<pre><code>", "\n</code></pre>" },
	@@ -337,6 +337,8 @@ dolink(const char begin, const char end, int newblock)
	printf("width=\"%ld\" ", width);
	if (height > 0)
	printf("height=\"%ld\" ", height);
	+ if (width > 0 && height > 0 && lazyimg)
	+ fputs("loading=\"lazy\" ", stdout);
	fputs("/>", stdout);
	} else {
	fputs("<a href=\"", stdout);
	@@ -692,7 +694,7 @@ process(const char begin, const char end, int newblock)
	void
	usage(char **argv)
	{
	- eprint("usage: %s [-n]\n\t-n escape HTML strictly\n", argv[0]);
	+ eprint("usage: %s [-l] [-n]\n", argv[0]);
	}

	int
	@@ -710,6 +712,8 @@ main(int argc, char *argv[])
	eprint("smu v%s\n", VERSION);
	else if (!strcmp("-n", argv[i]))
	nohtml = 1;
	+ else if (!strcmp("-l", argv[i]))
	+ lazyimg = 1;
	else
	usage(argv);
	}