Merge pull request #4212 from masatake/main/read--revise-offset-calculation-in-nested-input-stream

main/read:  revise the offset calculation on nested input stream

Conceptually this pull request is derrived from #4097.
Fixes ths issue reported in #4097.
Fixes #4181.
Fixes #4141.

Author: masatake

Units/parser-html.r/jsp-with-bom.d/README

@@ -0,0 +1,6 @@
+JSP tags shouldn't trigger the PHP parser.
+
+This used to happen and trigger an infinite loop of a ping-pong effect
+with the HTML parser asking the PHP parser to parse the JSP block, and
+the PHP parser, not recognizing the input, asking the HTML one to deal
+with it.  Rinse and repeat.

Units/parser-html.r/jsp-with-bom.d/args.ctags

@@ -0,0 +1,2 @@
+--sort=no
+--extras='*'

Units/parser-html.r/jsp-with-bom.d/input.html

@@ -0,0 +1 @@
+<%=

Units/parser-html.r/jsp.d/README

@@ -0,0 +1,6 @@
+JSP tags shouldn't trigger the PHP parser.
+
+This used to happen and trigger an infinite loop of a ping-pong effect
+with the HTML parser asking the PHP parser to parse the JSP block, and
+the PHP parser, not recognizing the input, asking the HTML one to deal
+with it.  Rinse and repeat.

Units/parser-html.r/jsp.d/args.ctags

@@ -0,0 +1,2 @@
+--sort=no
+--extras='*'

Units/parser-html.r/jsp.d/input.html

@@ -0,0 +1 @@
+<%=

Units/parser-markdown.r/frontmatter.d/expected.tags

@@ -1,3 +1,3 @@
 About this input	input.md	/^# About this input$/;"	c
 Python	input.md	/^title: Python$/;"	t
-TITLE in region ended with ...	input-0.md	/^title: TITLE in region ended with ...$/;"	t
+TITLE in region ended with ...	input-0.md	/^title: TITLE in region ended with .../;"	t

Units/parser-markdown.r/packcc-parser-running-within-code-block-with-bom.d/args.ctags

@@ -0,0 +1 @@
+--extras=+g

Units/parser-markdown.r/packcc-parser-running-within-code-block-with-bom.d/expected.tags

@@ -0,0 +1,2 @@
+d	input.md	/^[d]$/;"	t
+o	input.md	/^[o]$/;"	t

Units/parser-markdown.r/packcc-parser-running-within-code-block-with-bom.d/features

@@ -0,0 +1 @@
+packcc