Add context variable to avoid escaping lines starting with given values

src/shellman/templates/data/wikipage.md

@@ -1,3 +1,4 @@
+{% if do_not_escape_lines_that_start_with is not defined %}{% set do_not_escape_lines_that_start_with = None %}{% endif %}
 {% if shellman.doc.brief %}
 ## {{ shellman.filename }}
 {{ shellman.doc.brief[0].text|e }}
@@ -15,7 +16,7 @@
 {% if shellman.doc.desc %}
 ## Description
 {% for desc in shellman.doc.desc %}
-{{ desc.text|e }}
+{{ desc.text|escape(except_starts_with=do_not_escape_lines_that_start_with) }}
 {% if not loop.last %}{{ "\n" }}{% endif %}
 {% endfor %}
 

src/shellman/templates/filters.py

@@ -165,9 +165,13 @@ def do_groupby(environment, value, attribute, sort=True):
     return [_GroupTuple(group, grouped[group]) for group in unique_groups]
 
 
-def do_escapetextonly(value):
+def do_escape(value, except_starts_with=None):
+    if except_starts_with is not None:
+        condition = lambda l: any(l.startswith(s) for s in except_starts_with)
+    else:
+        condition = False
     return "\n".join(
-        line if line == "" or line[0] in " \t" else escape(line)
+        line if line == "" or condition(line) else escape(line)
         for line in value.split("\n")
     )
 
@@ -185,5 +189,5 @@ def do_escapetextonly(value):
     "body": do_body,
     "smartwrap": do_smartwrap,
     "format": do_format,
-    "escapetextonly": do_escapetextonly,
+    "escape": do_escape,
 }