From 745ee355670b71d243c2cf1cc162352e2ee00360 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Fri, 22 Jan 2016 11:38:14 +0100
Subject: [PATCH] PsppireDialogAction (generate_syntax): Change signature.

This function now takes a const parameter
---
 src/ui/gui/psppire-dialog-action-1sks.c         | 2 +-
 src/ui/gui/psppire-dialog-action-aggregate.c    | 2 +-
 src/ui/gui/psppire-dialog-action-autorecode.c   | 2 +-
 src/ui/gui/psppire-dialog-action-barchart.c     | 2 +-
 src/ui/gui/psppire-dialog-action-binomial.c     | 2 +-
 src/ui/gui/psppire-dialog-action-chisquare.c    | 2 +-
 src/ui/gui/psppire-dialog-action-comments.c     | 2 +-
 src/ui/gui/psppire-dialog-action-compute.c      | 2 +-
 src/ui/gui/psppire-dialog-action-correlation.c  | 2 +-
 src/ui/gui/psppire-dialog-action-count.c        | 2 +-
 src/ui/gui/psppire-dialog-action-crosstabs.c    | 2 +-
 src/ui/gui/psppire-dialog-action-descriptives.c | 2 +-
 src/ui/gui/psppire-dialog-action-examine.c      | 2 +-
 src/ui/gui/psppire-dialog-action-factor.c       | 2 +-
 src/ui/gui/psppire-dialog-action-flip.c         | 2 +-
 src/ui/gui/psppire-dialog-action-frequencies.c  | 2 +-
 src/ui/gui/psppire-dialog-action-histogram.c    | 2 +-
 src/ui/gui/psppire-dialog-action-indep-samps.c  | 2 +-
 src/ui/gui/psppire-dialog-action-k-related.c    | 2 +-
 src/ui/gui/psppire-dialog-action-kmeans.c       | 2 +-
 src/ui/gui/psppire-dialog-action-logistic.c     | 2 +-
 src/ui/gui/psppire-dialog-action-means.c        | 2 +-
 src/ui/gui/psppire-dialog-action-oneway.c       | 2 +-
 src/ui/gui/psppire-dialog-action-paired.c       | 2 +-
 src/ui/gui/psppire-dialog-action-rank.c         | 2 +-
 src/ui/gui/psppire-dialog-action-recode.c       | 2 +-
 src/ui/gui/psppire-dialog-action-regression.c   | 2 +-
 src/ui/gui/psppire-dialog-action-reliability.c  | 2 +-
 src/ui/gui/psppire-dialog-action-roc.c          | 2 +-
 src/ui/gui/psppire-dialog-action-runs.c         | 2 +-
 src/ui/gui/psppire-dialog-action-scatterplot.c  | 2 +-
 src/ui/gui/psppire-dialog-action-select.c       | 6 +++---
 src/ui/gui/psppire-dialog-action-sort.c         | 2 +-
 src/ui/gui/psppire-dialog-action-split.c        | 2 +-
 src/ui/gui/psppire-dialog-action-tt1s.c         | 2 +-
 src/ui/gui/psppire-dialog-action-two-sample.c   | 2 +-
 src/ui/gui/psppire-dialog-action-univariate.c   | 2 +-
 src/ui/gui/psppire-dialog-action-var-info.c     | 4 ++--
 src/ui/gui/psppire-dialog-action-weight.c       | 2 +-
 src/ui/gui/psppire-dialog-action.h              | 2 +-
 40 files changed, 43 insertions(+), 43 deletions(-)

diff --git a/src/ui/gui/psppire-dialog-action-1sks.c b/src/ui/gui/psppire-dialog-action-1sks.c
index c79ebc5779..b96a16f0aa 100644
--- a/src/ui/gui/psppire-dialog-action-1sks.c
+++ b/src/ui/gui/psppire-dialog-action-1sks.c
@@ -52,7 +52,7 @@ append_fragment (GString *string, const gchar *dist, PsppireVarView *vv)
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogAction1sks *rd = PSPPIRE_DIALOG_ACTION_1SKS (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-aggregate.c b/src/ui/gui/psppire-dialog-action-aggregate.c
index cb0c4727ca..0ed0b1636a 100644
--- a/src/ui/gui/psppire-dialog-action-aggregate.c
+++ b/src/ui/gui/psppire-dialog-action-aggregate.c
@@ -95,7 +95,7 @@ append_destination_filename (const PsppireDialogActionAggregate *agg, GString *g
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionAggregate *agg = PSPPIRE_DIALOG_ACTION_AGGREGATE (act);
 
diff --git a/src/ui/gui/psppire-dialog-action-autorecode.c b/src/ui/gui/psppire-dialog-action-autorecode.c
index a86420919a..a3c2eefb8a 100644
--- a/src/ui/gui/psppire-dialog-action-autorecode.c
+++ b/src/ui/gui/psppire-dialog-action-autorecode.c
@@ -112,7 +112,7 @@ nlp_destroy (gpointer data)
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionAutorecode *rd = PSPPIRE_DIALOG_ACTION_AUTORECODE (act);
   
diff --git a/src/ui/gui/psppire-dialog-action-barchart.c b/src/ui/gui/psppire-dialog-action-barchart.c
index 52eced9ee5..813e92be0f 100644
--- a/src/ui/gui/psppire-dialog-action-barchart.c
+++ b/src/ui/gui/psppire-dialog-action-barchart.c
@@ -158,7 +158,7 @@ psppire_dialog_action_barchart_activate (PsppireDialogAction *a)
 }
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionBarchart *rd = PSPPIRE_DIALOG_ACTION_BARCHART (a);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-binomial.c b/src/ui/gui/psppire-dialog-action-binomial.c
index e76bd12e5b..a88fe0ffd5 100644
--- a/src/ui/gui/psppire-dialog-action-binomial.c
+++ b/src/ui/gui/psppire-dialog-action-binomial.c
@@ -135,7 +135,7 @@ psppire_dialog_action_binomial_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionBinomial *scd = PSPPIRE_DIALOG_ACTION_BINOMIAL (a);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-chisquare.c b/src/ui/gui/psppire-dialog-action-chisquare.c
index 4961a02cc0..305d741204 100644
--- a/src/ui/gui/psppire-dialog-action-chisquare.c
+++ b/src/ui/gui/psppire-dialog-action-chisquare.c
@@ -37,7 +37,7 @@ G_DEFINE_TYPE (PsppireDialogActionChisquare, psppire_dialog_action_chisquare, PS
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionChisquare *scd = PSPPIRE_DIALOG_ACTION_CHISQUARE (act);
 
diff --git a/src/ui/gui/psppire-dialog-action-comments.c b/src/ui/gui/psppire-dialog-action-comments.c
index 4aad2a64f0..05a2ec5a72 100644
--- a/src/ui/gui/psppire-dialog-action-comments.c
+++ b/src/ui/gui/psppire-dialog-action-comments.c
@@ -36,7 +36,7 @@ static void psppire_dialog_action_comments_class_init      (PsppireDialogActionC
 G_DEFINE_TYPE (PsppireDialogActionComments, psppire_dialog_action_comments, PSPPIRE_TYPE_DIALOG_ACTION);
 
 static char *
-generate_syntax (PsppireDialogAction *pda)
+generate_syntax (const PsppireDialogAction *pda)
 {
   PsppireDialogActionComments *cd = PSPPIRE_DIALOG_ACTION_COMMENTS (pda);
   gint i;
diff --git a/src/ui/gui/psppire-dialog-action-compute.c b/src/ui/gui/psppire-dialog-action-compute.c
index a97d19535d..c6d9692397 100644
--- a/src/ui/gui/psppire-dialog-action-compute.c
+++ b/src/ui/gui/psppire-dialog-action-compute.c
@@ -35,7 +35,7 @@ G_DEFINE_TYPE (PsppireDialogActionCompute, psppire_dialog_action_compute, PSPPIR
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionCompute *cd = PSPPIRE_DIALOG_ACTION_COMPUTE (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-correlation.c b/src/ui/gui/psppire-dialog-action-correlation.c
index 81b694a7aa..6f2702f115 100644
--- a/src/ui/gui/psppire-dialog-action-correlation.c
+++ b/src/ui/gui/psppire-dialog-action-correlation.c
@@ -30,7 +30,7 @@ static void psppire_dialog_action_correlation_class_init      (PsppireDialogActi
 G_DEFINE_TYPE (PsppireDialogActionCorrelation, psppire_dialog_action_correlation, PSPPIRE_TYPE_DIALOG_ACTION);
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionCorrelation *rd = PSPPIRE_DIALOG_ACTION_CORRELATION (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-count.c b/src/ui/gui/psppire-dialog-action-count.c
index f6937b9b6d..ae914ccfa8 100644
--- a/src/ui/gui/psppire-dialog-action-count.c
+++ b/src/ui/gui/psppire-dialog-action-count.c
@@ -43,7 +43,7 @@ G_DEFINE_TYPE (PsppireDialogActionCount, psppire_dialog_action_count, PSPPIRE_TY
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionCount *cnt = PSPPIRE_DIALOG_ACTION_COUNT (act);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-crosstabs.c b/src/ui/gui/psppire-dialog-action-crosstabs.c
index afb450a3ad..5fa62eeea6 100644
--- a/src/ui/gui/psppire-dialog-action-crosstabs.c
+++ b/src/ui/gui/psppire-dialog-action-crosstabs.c
@@ -274,7 +274,7 @@ psppire_dialog_action_crosstabs_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionCrosstabs *cd = PSPPIRE_DIALOG_ACTION_CROSSTABS (a);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-descriptives.c b/src/ui/gui/psppire-dialog-action-descriptives.c
index 55535043a8..f95ba90771 100644
--- a/src/ui/gui/psppire-dialog-action-descriptives.c
+++ b/src/ui/gui/psppire-dialog-action-descriptives.c
@@ -74,7 +74,7 @@ static const struct checkbox_entry_item stats[] =
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionDescriptives *scd = PSPPIRE_DIALOG_ACTION_DESCRIPTIVES (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-examine.c b/src/ui/gui/psppire-dialog-action-examine.c
index 990610c383..51d3e7fd84 100644
--- a/src/ui/gui/psppire-dialog-action-examine.c
+++ b/src/ui/gui/psppire-dialog-action-examine.c
@@ -107,7 +107,7 @@ run_opts_dialog (PsppireDialogActionExamine *ed)
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionExamine *ed  = PSPPIRE_DIALOG_ACTION_EXAMINE (act);
 
diff --git a/src/ui/gui/psppire-dialog-action-factor.c b/src/ui/gui/psppire-dialog-action-factor.c
index 6802bfe2c1..de78ae6c90 100644
--- a/src/ui/gui/psppire-dialog-action-factor.c
+++ b/src/ui/gui/psppire-dialog-action-factor.c
@@ -56,7 +56,7 @@ on_extract_toggle (GtkToggleButton *button, PsppireDialogActionFactor *f)
 }
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionFactor *rd  = PSPPIRE_DIALOG_ACTION_FACTOR (act);
 
diff --git a/src/ui/gui/psppire-dialog-action-flip.c b/src/ui/gui/psppire-dialog-action-flip.c
index 1948645959..40749d660d 100644
--- a/src/ui/gui/psppire-dialog-action-flip.c
+++ b/src/ui/gui/psppire-dialog-action-flip.c
@@ -34,7 +34,7 @@ G_DEFINE_TYPE (PsppireDialogActionFlip, psppire_dialog_action_flip, PSPPIRE_TYPE
      FLIP /VARIABLES=var_list /NEWNAMES=var_name.
 */
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   const gchar *text;
   PsppireDialogActionFlip *rd = PSPPIRE_DIALOG_ACTION_FLIP (act);
diff --git a/src/ui/gui/psppire-dialog-action-frequencies.c b/src/ui/gui/psppire-dialog-action-frequencies.c
index e154d88830..a377d50a16 100644
--- a/src/ui/gui/psppire-dialog-action-frequencies.c
+++ b/src/ui/gui/psppire-dialog-action-frequencies.c
@@ -356,7 +356,7 @@ psppire_dialog_action_frequencies_activate (PsppireDialogAction * a)
 }
 
 static char *
-generate_syntax (PsppireDialogAction * a)
+generate_syntax (const PsppireDialogAction * a)
 {
   PsppireDialogActionFrequencies *fd = PSPPIRE_DIALOG_ACTION_FREQUENCIES (a);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-histogram.c b/src/ui/gui/psppire-dialog-action-histogram.c
index c3f741f782..4ac83d9787 100644
--- a/src/ui/gui/psppire-dialog-action-histogram.c
+++ b/src/ui/gui/psppire-dialog-action-histogram.c
@@ -90,7 +90,7 @@ psppire_dialog_action_histogram_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionHistogram *rd = PSPPIRE_DIALOG_ACTION_HISTOGRAM (a);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-indep-samps.c b/src/ui/gui/psppire-dialog-action-indep-samps.c
index 402efe8f25..1d647092b5 100644
--- a/src/ui/gui/psppire-dialog-action-indep-samps.c
+++ b/src/ui/gui/psppire-dialog-action-indep-samps.c
@@ -352,7 +352,7 @@ psppire_dialog_action_indep_samps_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionIndepSamps *act = PSPPIRE_DIALOG_ACTION_INDEP_SAMPS (a);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-k-related.c b/src/ui/gui/psppire-dialog-action-k-related.c
index 7c634ec6d3..dccf9e50d5 100644
--- a/src/ui/gui/psppire-dialog-action-k-related.c
+++ b/src/ui/gui/psppire-dialog-action-k-related.c
@@ -30,7 +30,7 @@ static void psppire_dialog_action_k_related_class_init      (PsppireDialogAction
 G_DEFINE_TYPE (PsppireDialogActionKRelated, psppire_dialog_action_k_related, PSPPIRE_TYPE_DIALOG_ACTION);
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionKRelated *krd = PSPPIRE_DIALOG_ACTION_K_RELATED (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-kmeans.c b/src/ui/gui/psppire-dialog-action-kmeans.c
index e73d204394..0d5424012b 100644
--- a/src/ui/gui/psppire-dialog-action-kmeans.c
+++ b/src/ui/gui/psppire-dialog-action-kmeans.c
@@ -31,7 +31,7 @@ static void psppire_dialog_action_kmeans_class_init      (PsppireDialogActionKme
 G_DEFINE_TYPE (PsppireDialogActionKmeans, psppire_dialog_action_kmeans, PSPPIRE_TYPE_DIALOG_ACTION);
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionKmeans *km = PSPPIRE_DIALOG_ACTION_KMEANS (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-logistic.c b/src/ui/gui/psppire-dialog-action-logistic.c
index 5fb5570315..6be5ce44c5 100644
--- a/src/ui/gui/psppire-dialog-action-logistic.c
+++ b/src/ui/gui/psppire-dialog-action-logistic.c
@@ -152,7 +152,7 @@ psppire_dialog_action_logistic_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionLogistic *rd = PSPPIRE_DIALOG_ACTION_LOGISTIC (a);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-means.c b/src/ui/gui/psppire-dialog-action-means.c
index f7210e42ee..7ff11177de 100644
--- a/src/ui/gui/psppire-dialog-action-means.c
+++ b/src/ui/gui/psppire-dialog-action-means.c
@@ -36,7 +36,7 @@ G_DEFINE_TYPE (PsppireDialogActionMeans, psppire_dialog_action_means, PSPPIRE_TY
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   gint l;
   PsppireDialogActionMeans *scd = PSPPIRE_DIALOG_ACTION_MEANS (act);
diff --git a/src/ui/gui/psppire-dialog-action-oneway.c b/src/ui/gui/psppire-dialog-action-oneway.c
index 35bbf01d19..f552a32148 100644
--- a/src/ui/gui/psppire-dialog-action-oneway.c
+++ b/src/ui/gui/psppire-dialog-action-oneway.c
@@ -47,7 +47,7 @@ G_DEFINE_TYPE (PsppireDialogActionOneway, psppire_dialog_action_oneway, PSPPIRE_
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionOneway *ow = PSPPIRE_DIALOG_ACTION_ONEWAY (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-paired.c b/src/ui/gui/psppire-dialog-action-paired.c
index c08a4d60e6..bdab615c81 100644
--- a/src/ui/gui/psppire-dialog-action-paired.c
+++ b/src/ui/gui/psppire-dialog-action-paired.c
@@ -124,7 +124,7 @@ select_as_pair_member (GtkTreeIter source_iter,
 
 
 static gchar *
-generate_syntax (PsppireDialogAction *pda)
+generate_syntax (const PsppireDialogAction *pda)
 {
   PsppireDialogActionPaired *d = PSPPIRE_DIALOG_ACTION_PAIRED (pda);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-rank.c b/src/ui/gui/psppire-dialog-action-rank.c
index f898ba5e3d..e5bce45e8c 100644
--- a/src/ui/gui/psppire-dialog-action-rank.c
+++ b/src/ui/gui/psppire-dialog-action-rank.c
@@ -36,7 +36,7 @@ G_DEFINE_TYPE (PsppireDialogActionRank, psppire_dialog_action_rank, PSPPIRE_TYPE
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionRank *rd  = PSPPIRE_DIALOG_ACTION_RANK (act);
 
diff --git a/src/ui/gui/psppire-dialog-action-recode.c b/src/ui/gui/psppire-dialog-action-recode.c
index 3ed1b663e3..d4066dbd06 100644
--- a/src/ui/gui/psppire-dialog-action-recode.c
+++ b/src/ui/gui/psppire-dialog-action-recode.c
@@ -878,7 +878,7 @@ new_value_append_syntax (struct string *dds, const struct new_value *nv)
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionRecode *rd = PSPPIRE_DIALOG_ACTION_RECODE (act);
   gboolean ok;
diff --git a/src/ui/gui/psppire-dialog-action-regression.c b/src/ui/gui/psppire-dialog-action-regression.c
index 68b504b888..58d183e63f 100644
--- a/src/ui/gui/psppire-dialog-action-regression.c
+++ b/src/ui/gui/psppire-dialog-action-regression.c
@@ -193,7 +193,7 @@ psppire_dialog_action_regression_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionRegression *rd = PSPPIRE_DIALOG_ACTION_REGRESSION (a);
   gchar *text = NULL;
diff --git a/src/ui/gui/psppire-dialog-action-reliability.c b/src/ui/gui/psppire-dialog-action-reliability.c
index b7df2049d9..e7b0d63f55 100644
--- a/src/ui/gui/psppire-dialog-action-reliability.c
+++ b/src/ui/gui/psppire-dialog-action-reliability.c
@@ -36,7 +36,7 @@ enum
   };
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionReliability *rd = PSPPIRE_DIALOG_ACTION_RELIABILITY (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-roc.c b/src/ui/gui/psppire-dialog-action-roc.c
index fbf5bfd91c..a01942c670 100644
--- a/src/ui/gui/psppire-dialog-action-roc.c
+++ b/src/ui/gui/psppire-dialog-action-roc.c
@@ -165,7 +165,7 @@ psppire_dialog_action_roc_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionRoc *rd = PSPPIRE_DIALOG_ACTION_ROC (a);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-runs.c b/src/ui/gui/psppire-dialog-action-runs.c
index 6d5af383b5..6598b1e114 100644
--- a/src/ui/gui/psppire-dialog-action-runs.c
+++ b/src/ui/gui/psppire-dialog-action-runs.c
@@ -51,7 +51,7 @@ append_fragment (GString *string, const gchar *cut, PsppireVarView *vv)
 }
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionRuns *rd = PSPPIRE_DIALOG_ACTION_RUNS (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-scatterplot.c b/src/ui/gui/psppire-dialog-action-scatterplot.c
index 2e001e1b6d..503af138f5 100644
--- a/src/ui/gui/psppire-dialog-action-scatterplot.c
+++ b/src/ui/gui/psppire-dialog-action-scatterplot.c
@@ -38,7 +38,7 @@ G_DEFINE_TYPE (PsppireDialogActionScatterplot, psppire_dialog_action_scatterplot
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionScatterplot *ow = PSPPIRE_DIALOG_ACTION_SCATTERPLOT (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-select.c b/src/ui/gui/psppire-dialog-action-select.c
index 567cd4a294..29e88ecc82 100644
--- a/src/ui/gui/psppire-dialog-action-select.c
+++ b/src/ui/gui/psppire-dialog-action-select.c
@@ -366,7 +366,7 @@ psppire_dialog_action_select_activate (PsppireDialogAction *a)
 
 
 static char *
-generate_syntax_filter (PsppireDialogAction *a)
+generate_syntax_filter (const PsppireDialogAction *a)
 {
   PsppireDialogActionSelect *scd = PSPPIRE_DIALOG_ACTION_SELECT (a);
 
@@ -470,7 +470,7 @@ generate_syntax_filter (PsppireDialogAction *a)
 
 
 static gchar *
-generate_syntax_delete (PsppireDialogAction *a)
+generate_syntax_delete (const PsppireDialogAction *a)
 {
   PsppireDialogActionSelect *scd = PSPPIRE_DIALOG_ACTION_SELECT (a);
   gchar *text = NULL;
@@ -537,7 +537,7 @@ generate_syntax_delete (PsppireDialogAction *a)
 
 
 static gchar *
-generate_syntax (PsppireDialogAction *a)
+generate_syntax (const PsppireDialogAction *a)
 {
   PsppireDialogActionSelect *scd = PSPPIRE_DIALOG_ACTION_SELECT (a);
 
diff --git a/src/ui/gui/psppire-dialog-action-sort.c b/src/ui/gui/psppire-dialog-action-sort.c
index 8377e9592f..2acbb19b2b 100644
--- a/src/ui/gui/psppire-dialog-action-sort.c
+++ b/src/ui/gui/psppire-dialog-action-sort.c
@@ -30,7 +30,7 @@ static void psppire_dialog_action_sort_class_init      (PsppireDialogActionSortC
 G_DEFINE_TYPE (PsppireDialogActionSort, psppire_dialog_action_sort, PSPPIRE_TYPE_DIALOG_ACTION);
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionSort *scd = PSPPIRE_DIALOG_ACTION_SORT (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-split.c b/src/ui/gui/psppire-dialog-action-split.c
index f879a960e1..ae8f30a757 100644
--- a/src/ui/gui/psppire-dialog-action-split.c
+++ b/src/ui/gui/psppire-dialog-action-split.c
@@ -36,7 +36,7 @@ G_DEFINE_TYPE (PsppireDialogActionSplit, psppire_dialog_action_split, PSPPIRE_TY
 
 
 static char *
-generate_syntax (PsppireDialogAction *pda)
+generate_syntax (const PsppireDialogAction *pda)
 {
   PsppireDialogActionSplit *act = PSPPIRE_DIALOG_ACTION_SPLIT (pda);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-tt1s.c b/src/ui/gui/psppire-dialog-action-tt1s.c
index 8f3932958d..d1a4d8e10c 100644
--- a/src/ui/gui/psppire-dialog-action-tt1s.c
+++ b/src/ui/gui/psppire-dialog-action-tt1s.c
@@ -32,7 +32,7 @@ G_DEFINE_TYPE (PsppireDialogActionTt1s, psppire_dialog_action_tt1s, PSPPIRE_TYPE
 
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionTt1s *d = PSPPIRE_DIALOG_ACTION_TT1S (act);
   gchar *text;
diff --git a/src/ui/gui/psppire-dialog-action-two-sample.c b/src/ui/gui/psppire-dialog-action-two-sample.c
index 73df59234e..39c88b1d11 100644
--- a/src/ui/gui/psppire-dialog-action-two-sample.c
+++ b/src/ui/gui/psppire-dialog-action-two-sample.c
@@ -134,7 +134,7 @@ select_as_pair_member (GtkTreeIter source_iter,
 
 
 static gchar *
-generate_syntax (PsppireDialogAction *pda)
+generate_syntax (const PsppireDialogAction *pda)
 {
   gint i;
 
diff --git a/src/ui/gui/psppire-dialog-action-univariate.c b/src/ui/gui/psppire-dialog-action-univariate.c
index ebc8d2f73e..7585cea2d2 100644
--- a/src/ui/gui/psppire-dialog-action-univariate.c
+++ b/src/ui/gui/psppire-dialog-action-univariate.c
@@ -30,7 +30,7 @@ static void psppire_dialog_action_univariate_class_init      (PsppireDialogActio
 G_DEFINE_TYPE (PsppireDialogActionUnivariate, psppire_dialog_action_univariate, PSPPIRE_TYPE_DIALOG_ACTION);
 
 static char *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   PsppireDialogActionUnivariate *uvd = PSPPIRE_DIALOG_ACTION_UNIVARIATE (act);
 
diff --git a/src/ui/gui/psppire-dialog-action-var-info.c b/src/ui/gui/psppire-dialog-action-var-info.c
index 58ffb4d558..21f9f0439c 100644
--- a/src/ui/gui/psppire-dialog-action-var-info.c
+++ b/src/ui/gui/psppire-dialog-action-var-info.c
@@ -56,7 +56,7 @@ treeview_item_selected (gpointer data)
 }
 
 static gchar *
-generate_syntax__ (PsppireDialogAction *act, const char *prefix)
+generate_syntax__ (const PsppireDialogAction *act, const char *prefix)
 {
   struct variable **vars;
   size_t n_vars;
@@ -101,7 +101,7 @@ generate_syntax__ (PsppireDialogAction *act, const char *prefix)
 }
 
 static gchar *
-generate_syntax (PsppireDialogAction *act)
+generate_syntax (const PsppireDialogAction *act)
 {
   return generate_syntax__ (act, "");
 }
diff --git a/src/ui/gui/psppire-dialog-action-weight.c b/src/ui/gui/psppire-dialog-action-weight.c
index ab06987b1b..eb8e5bd3af 100644
--- a/src/ui/gui/psppire-dialog-action-weight.c
+++ b/src/ui/gui/psppire-dialog-action-weight.c
@@ -36,7 +36,7 @@ G_DEFINE_TYPE (PsppireDialogActionWeight, psppire_dialog_action_weight, PSPPIRE_
 
 
 static char *
-generate_syntax (PsppireDialogAction *pda)
+generate_syntax (const PsppireDialogAction *pda)
 {
   gchar *syntax = NULL;
   PsppireDialogActionWeight *wcd = PSPPIRE_DIALOG_ACTION_WEIGHT (pda);
diff --git a/src/ui/gui/psppire-dialog-action.h b/src/ui/gui/psppire-dialog-action.h
index c753ecf313..c48173a107 100644
--- a/src/ui/gui/psppire-dialog-action.h
+++ b/src/ui/gui/psppire-dialog-action.h
@@ -83,7 +83,7 @@ struct _PsppireDialogActionClass
 {
   GtkActionClass parent_class;
   void   (*activate) (PsppireDialogAction *);
-  char * (*generate_syntax) (PsppireDialogAction *);
+  char * (*generate_syntax) (const PsppireDialogAction *);
 };
 
 GType psppire_dialog_action_get_type (void) ;
-- 
2.30.2