* mdocml: Escape blanks at the end of markdown lines such that they don't
@ 2017-03-07 15:31 schwarze
0 siblings, 0 replies; only message in thread
From: schwarze @ 2017-03-07 15:31 UTC (permalink / raw)
To: source
Log Message:
-----------
Escape blanks at the end of markdown lines
such that they don't look like output line breaks.
Modified Files:
--------------
mdocml:
mdoc_markdown.c
mdocml/regress/mdoc/Bl:
Makefile
Revision Data
-------------
Index: mdoc_markdown.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mdoc_markdown.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -Lmdoc_markdown.c -Lmdoc_markdown.c -u -p -r1.7 -r1.8
--- mdoc_markdown.c
+++ mdoc_markdown.c
@@ -247,6 +247,7 @@ static int escflags; /* Escape in gener
#define ESC_PAR (1 << 3) /* ")" when "(" is open. */
#define ESC_SQU (1 << 4) /* "]" when "[" is open. */
#define ESC_FON (1 << 5) /* "*" immediately after unrelated "*". */
+#define ESC_EOL (1 << 6) /* " " at the and of a line. */
static int code_blocks, quote_blocks, list_blocks;
static int outcount;
@@ -380,25 +381,25 @@ md_preword(void)
* they terminate the list. Work around this markdown issue
* by using mere line breaks instead.
*/
+
if (list_blocks && outflags & MD_sp) {
outflags &= ~MD_sp;
outflags |= MD_br;
}
- /* End the old line if requested. */
+ /*
+ * End the old line if requested.
+ * Escape whitespace at the end of the markdown line
+ * such that it won't look like an output line break.
+ */
if (outflags & MD_sp)
putchar('\n');
else if (outflags & MD_br) {
putchar(' ');
putchar(' ');
-#ifdef DEBUG
- putchar(':');
- putchar(':');
- putchar(' ');
- putchar(' ');
-#endif
- }
+ } else if (outflags & MD_nl && escflags & ESC_EOL)
+ md_named("zwnj");
/* Start a new line if necessary. */
@@ -437,7 +438,7 @@ md_rawword(const char *s)
{
md_preword();
- if (*s == 0)
+ if (*s == '\0')
return;
if (escflags & ESC_FON) {
@@ -470,6 +471,10 @@ md_rawword(const char *s)
}
md_char(*s++);
}
+ if (s[-1] == ' ')
+ escflags |= ESC_EOL;
+ else
+ escflags &= ~ESC_EOL;
}
/*
@@ -490,6 +495,9 @@ md_word(const char *s)
md_preword();
+ if (*s == '\0')
+ return;
+
/* No spacing after opening delimiters. */
if ((s[0] == '(' || s[0] == '[') && s[1] == '\0')
outflags &= ~MD_spc;
@@ -630,7 +638,10 @@ md_word(const char *s)
if (*currfont != '\0') {
outflags &= ~MD_spc;
md_rawword(currfont);
- }
+ } else if (s[-2] == ' ')
+ escflags |= ESC_EOL;
+ else
+ escflags &= ~ESC_EOL;
}
/*
@@ -640,7 +651,7 @@ static void
md_named(const char *s)
{
printf("&%s;", s);
- escflags &= ~ESC_FON;
+ escflags &= ~(ESC_FON | ESC_EOL);
outcount++;
}
Index: Makefile
===================================================================
RCS file: /home/cvs/mdocml/mdocml/regress/mdoc/Bl/Makefile,v
retrieving revision 1.3
retrieving revision 1.4
diff -Lregress/mdoc/Bl/Makefile -Lregress/mdoc/Bl/Makefile -u -p -r1.3 -r1.4
--- regress/mdoc/Bl/Makefile
+++ regress/mdoc/Bl/Makefile
@@ -13,7 +13,7 @@ LINT_TARGETS = column notype badargs ta
LINT_TARGETS += empty noIt emptyhead emptytag emptyitem
LINT_TARGETS += bareIt bareTa break breakingIt broken
-MARKDOWN_TARGETS = item diag ohang bullet dash enum
+MARKDOWN_TARGETS = item inset diag ohang bullet dash enum
MARKDOWN_TARGETS += notype multitype
MARKDOWN_TARGETS += empty emptyitem
MARKDOWN_TARGETS += bareIt bareTa unclosed breakingTa
--
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