# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1549661781 -3600
# Node ID 53b6ad24b799f7b0f3a784668bc5dd985b1f7b24
# Parent  fdb7b2a836fd3320238cd91d12eade722306b4af
Introduced explicit whitespace replacement for link targets.

diff -r fdb7b2a836fd -r 53b6ad24b799 moinformat/links/common.py
--- a/moinformat/links/common.py	Fri Feb 08 22:35:46 2019 +0100
+++ b/moinformat/links/common.py	Fri Feb 08 22:36:21 2019 +0100
@@ -3,7 +3,7 @@
 """
 Common linking scheme functionality.
 
-Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2018, 2019 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -23,6 +23,14 @@
 
     "Translate Moin links into other forms."
 
+    # Pagename whitespace conversion, configured using the "whitespace" metadata
+    # setting.
+
+    default_whitespace_map = [
+        (" ", "_"),
+        ("\n", "_"),
+        ]
+
     def __init__(self, metadata):
 
         "Initialise the linker with the 'metadata'."
diff -r fdb7b2a836fd -r 53b6ad24b799 moinformat/links/html.py
--- a/moinformat/links/html.py	Fri Feb 08 22:35:46 2019 +0100
+++ b/moinformat/links/html.py	Fri Feb 08 22:36:21 2019 +0100
@@ -3,7 +3,7 @@
 """
 HTML linking scheme.
 
-Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2018, 2019 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -106,7 +106,6 @@
         # Split the pagename into path components.
 
         t = target.split("#", 1)
-        p = t[0].rstrip("/").split("/")
 
         # Determine the actual pagename referenced.
         # Replace the root pagename if it appears.
@@ -173,6 +172,7 @@
         encoding fragment identifiers.
         """
 
+        s = self.replace_whitespace(s)
         parts = s.split("#", 1)
 
         if len(parts) > 1:
@@ -180,6 +180,19 @@
 
         return "#".join(map(quote, parts))
 
+    # Whitespace conversion in pagenames.
+
+    def replace_whitespace(self, pagename):
+
+        "Map whitespace in 'pagename' to appropriate characters."
+
+        wsmap = self.metadata.get("whitespace", self.default_whitespace_map)
+
+        for old, new in wsmap:
+            pagename = pagename.replace(old, new)
+
+        return pagename
+
     # Identifier encoding.
 
     def make_id(self, s):