_ are now unstripped from filenames

TODO.org

@@ -10,7 +10,7 @@
 ** TODO Cleanup gogs imports of unused bits
 ** TODO Add a field "filesystem filename" to add a real path to the gist file
 ** TODO Should spawn an error if filename contains '/'
-** TODO _ shouldn't be stripped from filenames
+** DONE _ shouldn't be stripped from filenames
 ** DONE Creation date on gitxt view
 ** DONE Count of current gitxt
 ** DONE Count of total managed gitxt

stuff/sanitize/sanitize.go

@@ -6,10 +6,10 @@ package sanitize
  */
 
 import (
-	"strings"
+	"bytes"
 	"path"
 	"regexp"
-	"bytes"
+	"strings"
 )
 
 // A very limited list of transliterations to catch common european names translated to urls.
@@ -133,7 +133,7 @@ func cleanString(s string, r *regexp.Regexp) string {
 }
 
 // We are very restrictive as this could be intended for ascii url slugs
-var illegalPath = regexp.MustCompile(`[^[:alnum:]\~\-\./]`)
+var illegalPath = regexp.MustCompile(`[^[:alnum:]\~\-\_\./]`)
 
 // Filename will clean illegal characters
 func Filename(s string) string {
@@ -145,4 +145,4 @@ func Filename(s string) string {
 
 	// NB this may be of length 0, caller must check
 	return filePath
-}
+}