fix: cursormagicword back to just characters.

Tackled italic bug with removing _ from the lastword regexp.

This fixes #167.

otterwiki/renderer.py

@@ -32,7 +32,7 @@
 from bs4 import BeautifulSoup
 
 # the cursor magic word which is ignored by the rendering
-cursormagicword = "<!-- CuRsoRm4g1cW0Rd -->"
+cursormagicword = "CuRsoRm4g1cW0Rd"
 
 #
 # patch mistune table_plugin so that not all the newlines at the end of a table are removed
@@ -335,7 +335,7 @@ def __init__(self, config={}):
             ],
             env=self.env,
         )
-        self.lastword = re.compile(r"([a-zA-Z_0-9\.]+)$")
+        self.lastword = re.compile(r"([a-zA-Z\-0-9\.]+)$")
         self.htmlcursor = " <span id=\"otterwiki_cursor\"></span> "
         # thanks to https://github.com/lepture/mistune/issues/158#issuecomment-830481284
         # we can enable tables in lists

tests/test_preview.py

@@ -127,3 +127,27 @@ def test_preview_italic_bug(create_app, req_ctx):
 _A paragraph_"""
     data = p.preview(content=content, cursor_line=3)
     assert "<em>A paragraph</em>" in data['preview_content']
+    soup = bs4.BeautifulSoup(data['preview_content'], "html.parser").find("em")
+    assert soup
+    text = soup.text.strip()
+    assert "A paragraph" == text
+
+
+def test_preview_cursor_in_codeblock(create_app, req_ctx):
+    from otterwiki.wiki import Page
+
+    p = Page("test")
+    content = """# Header
+
+    ```
+    code in block
+    ```
+    """
+    data = p.preview(content=content, cursor_line=1)
+    print(data)
+    soup = bs4.BeautifulSoup(data['preview_content'], "html.parser").find(
+        "pre"
+    )
+    assert soup
+    text = soup.text.strip("`\n")
+    assert "code in block" == text