Allow line breaks in inine math

Both dollars/math_inline and brackets/math_inline regexes have been changed, to allow (single) line breaks

Author: chrisjsewell

markdown_it/__init__.py

@@ -1,4 +1,4 @@
 from .main import MarkdownIt  # noqa: F401
 
 
-__version__ = "0.4.4"
+__version__ = "0.4.5"

markdown_it/extensions/texmath/index.py

@@ -146,7 +146,7 @@ def render(tex, displayMode, macros):
             "inline": [
                 {
                     "name": "math_inline",
-                    "rex": re.compile(r"^\\\((.+?)\\\)"),
+                    "rex": re.compile(r"^\\\((.+?)\\\)", re.DOTALL),
                     "tmpl": "<eq>{0}</eq>",
                     "tag": "\\(",
                 }
@@ -266,7 +266,7 @@ def render(tex, displayMode, macros):
             "inline": [
                 {
                     "name": "math_inline",
-                    "rex": re.compile(r"^\$(\S[^$\r\n]*?[^\s\\]{1}?)\$"),
+                    "rex": re.compile(r"^\$(\S[^$]*?[^\s\\]{1}?)\$"),
                     "tmpl": "<eq>{0}</eq>",
                     "tag": "$",
                     "pre": dollar_pre,

markdown_it/extensions/texmath/port.yaml

@@ -2,3 +2,6 @@
   commit: 78c548829ce2ef85c73dc71e680d01e5ae41ffbf
   date: Oct 4, 2019
   version: 0.6
+  changes: |
+    both dollars/math_inline and brackets/math_inline regexes have been changed,
+    to allow (single) line breaks

tests/test_math/fixtures_bracket.md

@@ -82,6 +82,25 @@ conjugate complex (valid=True)
 <p><eq>a^\*b</eq> with <eq>a^\*</eq></p>
 .
 
+Inline multi-line (valid=True)
+.
+a \(a
+\not=1\) b
+.
+<p>a <eq>a
+\not=1</eq> b</p>
+.
+
+Inline multi-line with newline (valid=False)
+.
+a \(a
+
+\not=1\) b
+.
+<p>a (a</p>
+<p>\not=1) b</p>
+.
+
 single block equation, greek index (valid=True)
 .
 \[e_\\alpha\]
@@ -366,12 +385,3 @@ display equation in blockquote. (valid=True)
 <p>in blockquote.</p>
 </blockquote>
 .
-
-line break in inline equation is not allowed. (valid=False)
-.
-\(1+1=
-2\)
-.
-<p>(1+1=
-2)</p>
-.

tests/test_math/fixtures_dollar.md

@@ -82,6 +82,25 @@ $a^\*b$ with $a^\*$
 <p><eq>a^\*b</eq> with <eq>a^\*</eq></p>
 .
 
+Inline multi-line (valid=True)
+.
+a $a
+\not=1$ b
+.
+<p>a <eq>a
+\not=1</eq> b</p>
+.
+
+Inline multi-line with newline (valid=False)
+.
+a $a
+
+\not=1$ b
+.
+<p>a $a</p>
+<p>\not=1$ b</p>
+.
+
 single block equation, greek index (valid=True)
 .
 $$e_\\alpha$$
@@ -417,12 +436,3 @@ $x $
 $ x$
 $x $</p>
 .
-
-line break in inline equation is not allowed. (valid=False)
-.
-$1+1=
-2$
-.
-<p>$1+1=
-2$</p>
-.